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A painting of a man and a woman with a dog. Fresco mural art.

A painting of a man and a woman with a dog. Fresco mural art.

A painting of a woman and a man in a vase / A painting of two women in a room / Public domain art photo.

Lens, Bernard - Public domain portrait engraving

Lens, Bernard - Public domain portrait engraving

Public domain photograph of portrait art print, 18th century, free to use, no copyright restrictions image - Picryl description

Het overschot van de Spaanse ruiterij bij Lens vernietigd

Het overschot van de Spaanse ruiterij bij Lens vernietigd

Picryl description: Public domain photograph of a medal, free to use, no copyright restrictions.

Abbildungen aller medizinisch-ökonomisch-technischen Gewächse, Band 6: Ervum Lens.

Abbildungen aller medizinisch-ökonomisch-technischen Gewächse, Band 6:...

Gemeine Linse. Public domain scan of 19th-century botanical illustration, free to use, no copyright restrictions image - Picryl description

Drawing for a Proposed 6th Order Lens Column for the Lighthouse at Charleston, South Carolina

Drawing for a Proposed 6th Order Lens Column for the Lighthouse at Cha...

Maps and Plans Relating to the Lighthouse at Charleston, South Carolina

Public Ledger Building. S. W. Corner Sixth and Chestnut Streets (84 feet by 175 feet), Philadelphia, USA opened June 20, 1867, George W. Childs Proprietor taken with Zentmayer's Lens

Public Ledger Building. S. W. Corner Sixth and Chestnut Streets (84 fe...

Picryl description: Public domain image of a department store, commercial building, downtown, shopping center, 19th-20th century, free to use, no copyright restrictions.

Surgical Headlamp (HOME 1908) -  Homestead National Monument of America

Surgical Headlamp (HOME 1908) - Homestead National Monument of Americ...

Surgical headlamp. Small bulb in a socket that projects 1 1/2" from the head band, removable lens holder fastens over the bulb. The lens is cracked. Two wires lead over the head band to the socket, one wire ha... More

No man's land near Lens, France

No man's land near Lens, France

Public domain photograph of a document related to World War One - Picryl description

Front of operating room in which are arranged parallel with track, 24 cameras at a distance of 12 inches from the center of each lens, and an electro-shutter in front of each

Front of operating room in which are arranged parallel with track, 24 ...

Illus. in: The attitudes of animals in motion : a series of photographs illustrating the consecutive positions assumed by animals in performing various movements; executed at Palo Alto, California, in 1878 and... More

Picryl description: Public domain image of byciclyst, bike, bicycle wheel, sport event, free to use, no copyright restrictions.

Picryl description: Public domain image of byciclyst, bike, bicycle wh...

Picryl description: Public domain image of bicyclist, bike, bicycle wheel, sport event, free to use, no copyright restrictions.

Frensel lens Closeup at Bass Harbor Head Light Station

Frensel lens Closeup at Bass Harbor Head Light Station

The 1901 Frensel lens was covered with a red plastic surround for many years. In 2020, the United States Coast Guard removed the red plastic covering and put in a red LED light within the lens, so the beautiful... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial.

All that is left of a road in the Lens area

All that is left of a road in the Lens area

Soldiers is walking along a roadway beside the ruins of a fairly large village or town, identified in the original caption as being near Lens. Lens, which was occupied by the Germans for much of the war, was in... More

Ruins at Lens. Mound in the background is the remains of the church. 10-4-1918

Ruins at Lens. Mound in the background is the remains of the church. 1...

British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description

Ruins of Lens, France. 9-3-1918

Ruins of Lens, France. 9-3-1918

British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description

Ruins of railway station at Lens. 10-4-1918

Ruins of railway station at Lens. 10-4-1918

British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description

General view of Lens taken from one of our outposts who are continually pushing forward

General view of Lens taken from one of our outposts who are continuall...

The destruction and devastation at Lens, France. Without the caption it would be impossible to tell this was a town. The ground is a mass of bricks and wood. The only structures left standing are a brick wall, ... More

Camouflaged road between Lens and Lievin, France. 5-14-1918

Camouflaged road between Lens and Lievin, France. 5-14-1918

British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description

No Man's Land near Lens, France

No Man's Land near Lens, France

Picryl description: Public domain image of a stereoscopic card from Boston Public Library, free to use, no copyright restrictions photograph.

Lens, France, April 11, 1919. Man and wife, living in cellar of their former home which is in complete ruins. They were in Lens for thirty months during the German occupation, and were repatriated thru Switzerland and by way of Evian, in January 1917. The wife remained in southern France some months after repatriation. Thye have now been three weeks in Lens, and plan to keep their present quarters in the cellar for an indefinite perod of time

Lens, France, April 11, 1919. Man and wife, living in cellar of their ...

Title, date and notes from Red Cross caption card. Photographer name or source of original from caption card or negative sleeve: Lewis Hine. Date received: 1920. Classification: General reconstruction. Gift; Am... More

Lens, France, April 11, 1919. Genral sic view of Lens, taken from the location shown in no. W-94

Lens, France, April 11, 1919. Genral sic view of Lens, taken from the ...

Title, date and notes from Red Cross caption card. Photographer name or source of original from caption card or negative sleeve: Lewis Hine. Classification: General Reconstruction. Date received: 1920. Gift; Am... More

Lens, France. General view of Lens, taken from overhead railway bridge, below, laborers clearing away debris from the main road toward Lille. The entire city of Lens with a pre war population of 28,000, is in the condition shown in this picture

Lens, France. General view of Lens, taken from overhead railway bridge...

Title, date and notes from Red Cross caption card. Photographer name or source of original from caption card or negative sleeve: Lewis Hine. Classification: General Reconstruction. Date received: 1920. Gift; Am... More

Trees. Silhouette of bare trees through lens
A pair of binoculars sitting on top of a piece of paper. Background grunge binoculars, backgrounds textures.

A pair of binoculars sitting on top of a piece of paper. Background gr...

Illustration of a pair of binoculars / A pair of binoculars sitting on top of a piece of paper / Public domain stock illustration.

As seen through a night vision lens, the USS HARRY S. TRUMAN (CVN 75) begins its transit through the Suez Canal. The nuclear powered aircraft carrier is scheduled to arrive in the Persian Gulf in January to support Operaton SOUTHERN WATCH. Truman is on a scheduled six-month deployment to the Mediterranean Sea and Persian Gulf

As seen through a night vision lens, the USS HARRY S. TRUMAN (CVN 75) ...

The original finding aid described this photograph as: Subject Operation/Series: SOUTHERN WATCH Base: USS Harry S. Truman (CVN 75) Scene Camera Operator: PH3 H. Dwain Willis, USN Release Status: Released to... More

Clarence McK. Lewis, Skylands Farm, residence in Sterlington, New York. 12" lens view of large gable

Clarence McK. Lewis, Skylands Farm, residence in Sterlington, New York...

Public domain photograph of a hotel, inn, tourism, free to use, no copyright restrictions image - Picryl description

Clarence McK. Lewis, Skylands Farm, residence in Sterlington, New York. 12" lens view of little gable

Clarence McK. Lewis, Skylands Farm, residence in Sterlington, New York...

Public domain photograph of midcentury American architecture, free to use, no copyright restrictions image - Picryl description

Potomac Electric Power Co. Alexandria plant. View of Potomac Electric Power Co. Alexandria plant, 23" lens I

Potomac Electric Power Co. Alexandria plant. View of Potomac Electric ...

Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description

U.S. Supreme Court interiors. Courtroom in U.S. Supreme Court from rear with wide angle lens

U.S. Supreme Court interiors. Courtroom in U.S. Supreme Court from rea...

Picryl description: Public domain photograph of a historic courthouse building, court, free to use, no copyright restrictions.

Stratford Hall. Stratford Hall building from distance with 12-inch lens

Stratford Hall. Stratford Hall building from distance with 12-inch len...

Public domain image of a large historic building, city hall, urban architecture, free to use, no copyright restrictions - Picryl description

Potomac Electric Power Co. Alexandria plant. View of Potomac Electric Power Co. Alexandria plant, 23" lens II

Potomac Electric Power Co. Alexandria plant. View of Potomac Electric ...

Public domain photograph related to Potomac Electric Power Company, free to use, no copyright restrictions image - Picryl description

St. Thomas Church, 5th Ave. and 53rd St., New York City. General interior, six-inch lens

St. Thomas Church, 5th Ave. and 53rd St., New York City. General inter...

Picryl description: Public domain image of a church, cathedral, religious building, 17th,18th century architecture, free to use, no copyright restrictions.

St. Thomas Church, 5th Ave. and 53rd St., New York City. General interior, seven-inch lens

St. Thomas Church, 5th Ave. and 53rd St., New York City. General inter...

Public domain photograph of cathedral, church, free to use, no copyright restrictions image - Picryl description

Wheeler dam and powerhouse. Visitors' reception room in Wheeler control building. Windows on three sides and overlook terrace adjoining offer complete view of plant and surroundings. Fourth wall used for description of TVA (Tennessee Valley Authority) program. Floor: gray-brown terrazo, divided into large squares by white metal strips. Wainscot, window sills, trim around doorway and curb at footlights brownish-red precast terrazo. Walls burlap covered, painted subdued tan. Windows aluminum. Ceiling and upper part of walls, plaster painted warm gray with warm off-white reflecting circles and cove across end (ceiling acoustic plaster). Lighting indirect. Lights in cove across end of room also throw downward, directed by lenses toward wall display and shielded by aluminum louvers. Behind curb inclined contol lens footlights and louver (aluminum) shielding air exhaust. Supply through ceiling grilles which border ceiling on two sides. Deep trim around doorway intended as shield while passing footlights. Display in gray, black and tan, keyed with general color scheme. Guard's desk of natural oak and ebomized birch, with raised ledge for visitor's registration

Wheeler dam and powerhouse. Visitors' reception room in Wheeler contro...

Picryl description: Public domain image of a living room, salon, office, late 19th-century interior, free to use, no copyright restrictions.

[Frances Benjamin Johnston, 1864-1952, half length, facing front, adjusting lens of large tripod camera, in front of the Arts Club, 2017 Eye Street, Washington, D.C.]

[Frances Benjamin Johnston, 1864-1952, half length, facing front, adju...

Date based on information in A Talent for Detail / Pete Daniel and Raymond Smock, 1974, p. 32-33. Frances Benjamin Johnston Collection.

Mrs. Evelyn Marshall Field, residence in Syosset, Long Island. House and forecourt 5" lens

Mrs. Evelyn Marshall Field, residence in Syosset, Long Island. House a...

Picryl description: Public domain image of park architecture, palace, chateau, open space, 18th, and 19th-century architecture, free to use, no copyright restrictions.

Mrs. Evelyn Marshall Field, residence in Syosset, Long Island. House and forecourt, 6" lens

Mrs. Evelyn Marshall Field, residence in Syosset, Long Island. House a...

Picryl description: Public domain image of park architecture, palace, chateau, open space, 18th, and 19th-century architecture, free to use, no copyright restrictions.

Testing airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in front of the doctor. The lens are tested for distortion, focal length, and definition. This work must be very exacting as a small error would make an error of many miles on the maps made by the aerial cameras, 5/6/1937

Testing airplanes lenses used in map making. Washington, D.C., May 6. ...

Public domain photograph of people in office, interior, the 1910s-1920s America, free to use, no copyright restrictions image - Picryl description

Testing airplanes lenses used in map making. Washington, D.C., May 6. Dr. F.E. Washer of the U.S. Bureau of Standards testing the lens for the airplane cameras that are used by the Army and Navy. There are lights in the rear of the columnmeters and exposures are made on the photographic plate in front of the doctor. The lens are tested for distortion, focal length, and definition. This work must be very exacting as a small error would make an error of many miles on the maps made by the aerial cameras, 561937

Testing airplanes lenses used in map making. Washington, D.C., May 6. ...

Title from unverified data received with the Harris & Ewing Collection on the negative or negative sleeve. Gift; Harris & Ewing, Inc. 1955. General information about the Harris & Ewing Collection is available a... More

FCC Chairman faces lens of television camera. Washington, D.C., Chairman Frank R. McNinch of the Federal Communications Commission as he faces the television camera on the Mall this afternoon. Chairman McNinch was interview by NBC announcer Gordon Hittenmark as a feature of the RCA-NBC television demonstrations now being conduction in cooperation with the National Press Club, 1-31-39

FCC Chairman faces lens of television camera. Washington, D.C., Chairm...

A group of people standing around a camera. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description

Detroit, Michigan. New method of making x-ray photographs size 4x5 inches instead of larger. Used at the Herman Kiefer Hospital for Communicable Diseases to show various stages of tuberculosis. Lens contained in an apparatus for x-ray photographs

Detroit, Michigan. New method of making x-ray photographs size 4x5 inc...

Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description

Detroit, Michigan. New method of making x-ray photographs size 4x5 inches instead of larger. Used at the Herman Kiefer Hospital for Communicable Diseases to show various stages of tuberculosis. The patient is placed in front of a flurescent screen and this screen is photographed on ordinary photographic film by means of a lens of larger aperture

Detroit, Michigan. New method of making x-ray photographs size 4x5 inc...

Public domain photograph of 1930s industry, war production in the United States free to use, no copyright restrictions image - Picryl description

Fort Belvoir, Virginia. Sergeant George Camblair used to work as a lens grinder in an optical firm. His employer said he had the makings of a good lens grinder

Fort Belvoir, Virginia. Sergeant George Camblair used to work as a len...

Public domain photograph of Virginia, 1930s, free to use, no copyright restrictions image - Picryl description

Fort Belvoir, Virginia. Sergeant George Camblair used to work as a lens grinder in an optical firm. His employer said he had the makings of a good lens grinder

Fort Belvoir, Virginia. Sergeant George Camblair used to work as a len...

Public domain photograph of Virginia, 1930s, free to use, no copyright restrictions image - Picryl description

Fort Belvoir, Virginia. Sergeant Camblair used to work as a lens grinder in an optical firm. His employer said he had the makings of a good lens grinder

Fort Belvoir, Virginia. Sergeant Camblair used to work as a lens grind...

Public domain photograph of Virginia, 1930s, free to use, no copyright restrictions image - Picryl description

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20. Intelligence officer checking safety equipment issued to the pilot and observer of a patrol plane, including rubber boat and life jacket "Mae West," inflatable by carbon dioxide gas cartridges; repair kit to mend bullet holes in the boat; and dye container to color water for better identification; flash light with red lens for identification by night; smoke bombs; water markers; Very pistols; and rubber watertight flying suit

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patro...

Picryl description: Public domain image of a boat in a harbor, water, fishing boat, free to use, no copyright restrictions.

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20. Intelligence officer checking safety equipment issued to the pilot and observer of a patrol plane, including rubber boat and life jacket "Mae West," inflatable by carbon dioxide gas catridges; repair kit to mend bullet in the boat; and dye container to color water for better identification; flashlight with red lens for identification by night; smoke bombs; water markers; Very pistols; and rubber watertight flying suit

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patro...

Picryl description: Public domain image of a boat in a harbor, water, fishing boat, free to use, no copyright restrictions.

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20. Flying equipment of a patrol flyer; rubber crash suit, "Mae West" life preserver, dye marker, flashlight with red lens, very pistol, revolver and sheath knife

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patro...

Public domain photograph of the United States military and military-industrial complex before World War Two, 1930s, free to use, no copyright restrictions image - Picryl description

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20. A flyer's safety equipment consists of a folding crash boat folded up in a zipper bag, "Mae West" life preservers, a Very pistol, a flashlight with red lens, and a container of dye to facilitate detection in the water

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patro...

Picryl description: Public domain image of a boat in a harbor, water, fishing boat, free to use, no copyright restrictions.

Bar Harbour, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20. Officer checking the safety gear, which includes a rubber boat, a "Mae West" life preserver, flares, see andho, patching equipment for mending machine gun holes in the boat, a Very pistol, a flash light with red lens, and a dye bag which is broken when in the water to facilitate detection by rescue planes

Bar Harbour, Maine. Civil Air Patrol base headquarters of coastal patr...

Picryl description: Public domain image of a boat in a harbor, water, fishing boat, free to use, no copyright restrictions.

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patrol no. 20. Intelligence officer checking safety equipment issued to the pilot and observer of a patrol plane, including rubber boat and life jacket "Mae West," inflatable by carbon dioxide gas cartridges; repair kit to mend bullet holes in the boat; and dye container to color water for better identification; flash light with red lens for identification by night; smoke bombs; water marker; Very pistols; and rubber watertight flying suit

Bar Harbor, Maine. Civil Air Patrol base headquarters of coastal patro...

Picryl description: Public domain image of a boat in a harbor, water, fishing boat, free to use, no copyright restrictions.

Close up of flux meter with lens. Photograph taken May 28, 1946. Magnet-314

Close up of flux meter with lens. Photograph taken May 28, 1946. Magne...

Digital Preservation File Name and Format: 434-LB-5-XBD201208-00853.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga Tekniska Högskolan 1948-1958. Kvinna med handväska. För mer info. Se Fotografisk Handbok. Natur och Kultur. Andra omarbetade upplagan 1958-59. Kap. 15 Några olika slag av specialobjektiv (Cylinderlinser o.d. sid 146) (Bilden är spegelvänd)

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga ... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga Tekniska Högskolan i Stockholm 1948-1958.Huvudplanen vi tjocka eller sammansatta linser.För mer info se: Bäckström, Helmer. Fotografisk Handbok. Natur och Kultur. Stockholm. 1942. s. 55.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga T... More

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga Tekniska Högskolan 1948-1958. Kvinna med handväska. För med info: Se Fotografisk Handbok. Natur och Kultur. Andra omarbetade upplagan 1958-59 Kap. 15 Några olika slag av specialobjektiv (Cylinderlinser o. d. sid 146). (Bilden är spegelvänd)

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga ... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga Tekniska Högskolan i Stockholm 1948-1958.Övre bilden: Längst till vänster en elektrisk lins. Mellanfiguren visar dennas ekvipotentialytor. Längst till höger magnetisk lins enligt Knoll och Ruska. Snedstreckad yta markerar järnkapsling, svart markerar omagnetiskt material som utfyller springan i järnkapsling, rutade ytor markerar trådlindning. Undre bilden: Olika former av elektroniska linser.För mer info se: Bäckström, Helmer. Fotografisk Handbok. Natur och Kultur. Stockholm. 1942. s. 929.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga T... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga Tekniska Högskolan i Stockholm 1948-1958.Glasets formgivning till linser. Slipning av linser. Man behandlar alltid många linser på en gång. Ingånde beskirvning av tillverkingen finns i Bäcksröms Handbok 1:a upplagan, bok 1 sid. 133-134.För mer info se: Bäckström, Helmer. Fotografisk Handbok. Natur och Kultur. Stockholm. 1942. s. 133-134.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga T... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga Tekniska Högskolan i Stockholm 1948-1958.Linsdiametern o, bländardiametern b och verksamma öppningen d.Bäckström, Helmer. Fotografisk Handbok. Natur och Kultur. Stockholm. 1942. s. 66.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga T... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga Tekniska Högskolan i Stockholm 1948-1958.Linser med sfäriska ytor(dvs klotformad yta som buktar lika mycket överallt). Den tänkta linje, som sammanbinder medelpunkterna till linsens båda krökta ytor (linjerna mellan M1 och M2) kallas för linsens optiska axel eller huvudaxel.För mer info se: Bäckström, Helmer. Fotografisk Handbok. Natur och Kultur. Stockholm. 1942. s. 51.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga T... More

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga Tekniska Högskolan 1948-1958. Kvinna med handväska. För mer info. Se Fotografisk Handbok. Natur och Kultur. Andra omarbetade upplagan 1958-59. Kap. 15 Några olika slag av specialobjektiv (Cylinderlinser o.d. sid 146).

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som undervisningsmaterial. Bäckström var Sveriges förste professor i fotografi vid Kungliga ... More

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga Tekniska Högskolan i Stockholm 1948-1958.Bilden en plankonvex lins L. OA är den optiska axeln, OH en snett infallande stråle. M är meridionalplanet, som skär den konvexa linsytan i cirkelbågen EHG och S sagittaplanet, som skär linsytan i cirkelbågen KHN. [enligt handbok 1 sid. 88: Astigmatismens orsak: Med OH parallella strålar i planen M och S träffar på olika krökningsförhållanden hos linsen. Bågen KHN är sålunda starkare krökt än bågen EHG.]Bäckström, Helmer. Fotografisk Handbok. Natur och Kultur. Stockholm. 1942. s. 88.

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska ...

Skioptikonbild från Institutionen för fotografi vid Kungliga Tekniska Högskolan. Använd av professor Helmer Bäckström som föreläsningsmaterial. Bäckström var Sveriges första professor i fotografi vid Kungliga T... More

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Turnen, kampioenschap van Nederland dames Utrecht Lenie

Turnen, kampioenschap van Nederland dames Utrecht Lenie

Turnen, kampioenschap van Nederland dames Utrecht Lenie Lens , Gerritsen Public domain photograph - performance, musical, dance, free to use, no copyright restrictions image - Picryl description

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens

Damesturnen Nederland tegen Engeland. Lenie Lens Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Photo Bureau, a Dutch photo... More

Turnen, kampioenschap van Nederland dames Utrecht Lenie

Turnen, kampioenschap van Nederland dames Utrecht Lenie

Turnen, kampioenschap van Nederland dames Utrecht Lenie Lens , Gerritsen Public domain photograph - performance, musical, dance, free to use, no copyright restrictions image - Picryl description

Turnen, kampioenschap van Nederland dames Utrecht Lenie

Turnen, kampioenschap van Nederland dames Utrecht Lenie

Turnen, kampioenschap van Nederland dames Utrecht Lenie Lens , Gerritsen Public domain photograph of the Netherlands in 1956 by The Algemeen Nederlandsch Fotobureau (ANeFo), also known as the General Dutch Pho... More

Concentric lens for Mark III reader. Photograph taken May 19, 1959. Bubble Chamber-740

Concentric lens for Mark III reader. Photograph taken May 19, 1959. Bu...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01546.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Concentric lens for Mark III reader. Photograph taken May 19, 1959. Bubble Chamber-741

Concentric lens for Mark III reader. Photograph taken May 19, 1959. Bu...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01547.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Concentric lens for Mark III reader. Photograph taken May 19, 1959. Bubble Chamber-743

Concentric lens for Mark III reader. Photograph taken May 19, 1959. Bu...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01548.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Frank Schubert polishes the station's lens once a week / World Telegram & Sun photo by Higgins.

Frank Schubert polishes the station's lens once a week / World Telegra...

NYWT&S staff photograph. Caption continues: The flashing red signal, which operates from a half hour before sunset until a half hour before sunrise, is a reference point for all traffic using the harbor. Title... More

25-inch bubble chamber lens window. Photograph taken March 15, 1963. Bubble Chamber-1260 -  Photographer: Doug Bradley

25-inch bubble chamber lens window. Photograph taken March 15, 1963. B...

Digital Preservation File Name and Format: 434-LB-6-XBD201211-01677.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

CAMERAS - GEMINI-TITAN (GT-3) - MSC

CAMERAS - GEMINI-TITAN (GT-3) - MSC

S65-17399 (March 1965) --- Two cameras which will be used on the Gemini-Titan 3 orbital flight. The lighter colored one is a McDonnell 16mm sequential camera, having a 120-feet film capacity, and a 25mm f/1.9 l... More

Gemini VI Mission Image - Rendezvous with Gemini VII

Gemini VI Mission Image - Rendezvous with Gemini VII

The original caption reads: Photograph of the Gemini VII spacecraft - side view - was taken from the Gemini VI spacecraft during rendezvous and station keeping maneuvers at an altitude of 163 nautical miles du... More

Gemini VI Mission Image - Rendezvous with Gemini VII

Gemini VI Mission Image - Rendezvous with Gemini VII

The original caption reads: Photograph of the Gemini VII spacecraft - adapter side - was taken from the Gemini VI spacecraft during rendezvous and station keeping maneuvers at an altitude of 163 nautical miles... More

Gemini VI Mission Image - Rendezvous with Gemini VII

Gemini VI Mission Image - Rendezvous with Gemini VII

The original caption reads: Photograph of the Gemini VII spacecraft - adapter side - was taken from the Gemini VI spacecraft during rendezvous and station keeping maneuvers at an altitude of 163 nautical miles... More

Gemini VIII Mission Image - Blank

Gemini VIII Mission Image - Blank

The original caption reads: Photograph of sunlight in lens (no image) taken during the Gemini VIII mission during orbit no.4 on March 16,1966. GET time was 5:40. Original magazine number was GEM08-20-25789 ta... More

Simon Vinkenoog lanceerde Omega lp in Leidse Pleintheater

Simon Vinkenoog lanceerde Omega lp in Leidse Pleintheater

Simon Vinkenoog lanceerde Omega lp in Leidse Pleintheater Bob Lens, Simon Vinkenoog, [...] Wesseling

CAPE CANAVERAL, Fla. -- The American Flag heralds the flight of Apollo 11, man's first lunar landing mission. This double exposure was made with a 1,000 mm lens. The photograph was taken from Cape Kennedy, adjacent to Kennedy Space Center, where Apollo 11 lifted off from pad 39A at 9:32 a.m. EDT. This image was imposed upon the image of hte flag, filmed a day earlier. In the photo, the rocket at an alititude of about 5,000 feet. A band of super-cold propellants seems to circle the rocket near its center. The effect is caused by the difference in temperature between the propellants and the atmosphere.    Photo credit: NASA KSC-69PC-0397

CAPE CANAVERAL, Fla. -- The American Flag heralds the flight of Apollo...

CAPE CANAVERAL, Fla. -- The American Flag heralds the flight of Apollo 11, man's first lunar landing mission. This double exposure was made with a 1,000 mm lens. The photograph was taken from Cape Kennedy, adja... More

AS12-49-7295 - Apollo 12 - Apollo 12 Mission image  - View of the Lunar terrain

AS12-49-7295 - Apollo 12 - Apollo 12 Mission image - View of the Luna...

The original database describes this as: Description: View of the Lunar terrain. A lens flare covers much of the image. Image was taken during the second Extravehicular Activity (EVA 2) of the Apollo 12 missio... More

AS12-49-7322 - Apollo 12 - Apollo 12 Mission image  - View of  Surveyor Crater and  Surveyor III

AS12-49-7322 - Apollo 12 - Apollo 12 Mission image - View of Surveyo...

The original database describes this as: Description: View of Surveyor Crater and Surveyor III. A Lens flare covers most of the frame. Image was taken during the second Extravehicular Activity (EVA 2) of the... More

AS12-49-7324 - Apollo 12 - Apollo 12 Mission image  - View of  Surveyor Crater

AS12-49-7324 - Apollo 12 - Apollo 12 Mission image - View of Surveyo...

The original database describes this as: Description: View of Surveyor Crater. A Lens flare covers most of the frame. Image was taken during the second Extravehicular Activity (EVA 2) of the Apollo 12 mission... More

AS12-49-7321 - Apollo 12 - Apollo 12 Mission image  - View of the Lunar terrain and Surveyor III

AS12-49-7321 - Apollo 12 - Apollo 12 Mission image - View of the Luna...

The original database describes this as: Description: View of the Lunar terrain and Surveyor III. A Lens flare covers most of the frame. Image was taken during the second Extravehicular Activity (EVA 2) of the... More

A camera and an object on a white surface. Iphone ios iphoto, backgrounds textures.

A camera and an object on a white surface. Iphone ios iphoto, backgrou...

Group of people. Free images of people. Use free photos of people without any copyright restrictions.

AS10-34-5017 - Apollo 10 - Apollo 10 Mission image - Southwestern U.S. and Mexico

AS10-34-5017 - Apollo 10 - Apollo 10 Mission image - Southwestern U.S....

The original database describes this as: Description: View of Southwestern United States and Mexico. Images were taken of translunar coast during the Apollo 10 mission. Film magazine was M,film type was SO-3... More

A black and silver camera sitting on top of a table. Film equipment classic, science technology.

A black and silver camera sitting on top of a table. Film equipment cl...

The leica m5 camera is a compact, compact, compact, and compact / The camera is a very rare camera / Public domain art photo.

A black and white photo of a camera. Iphone ios iphoto, backgrounds textures.

A black and white photo of a camera. Iphone ios iphoto, backgrounds te...

Group of people. Free images of people. Use free photos of people without any copyright restrictions.

A couple of cameras sitting next to each other. Film equipment classic, science technology.

A couple of cameras sitting next to each other. Film equipment classic...

A set of three cameras sitting on a table / The camera is a very simple, but very simple, but it's a good thing to do with the lens / Public domain art photo.

A camera and an object on a table. Iphone ios iphoto, backgrounds textures.

A camera and an object on a table. Iphone ios iphoto, backgrounds text...

Group of people. Free images of people. Use free photos of people without any copyright restrictions.

Fish-eye lens view Astronauts Shepard and Mitchell in Lunar Module Simulator

Fish-eye lens view Astronauts Shepard and Mitchell in Lunar Module Sim...

S70-45555 (July 1970) --- A fish-eye lens view showing astronauts Alan B. Shepard Jr. (foreground) and Edgar D. Mitchell in the Apollo lunar module mission simulator at the Kennedy Space Center during preflight... More

AS15-82-11057 - Apollo 15 - Apollo 15 Mission image - The Lunar Module (LM)

AS15-82-11057 - Apollo 15 - Apollo 15 Mission image - The Lunar Module...

The original database describes this as: Description: The Lunar Module (LM) "Falcon" is photographed against the barren lunar scape during the third Apollo 15 lunar surface extravehicular activity (EVA-3) at t... More

AS15-84-11324 - Apollo 15 - Apollo 15 Mission image - View of Station 6 and North Complex

AS15-84-11324 - Apollo 15 - Apollo 15 Mission image - View of Station ...

The original database describes this as: Description: On the far side of Hadley Delta at station 6A, Astronaut David R. Scott, mission commander, took a series of photographs with the 500mm telephoto lens. The... More

AS15-91-12383 - Apollo 15 - Apollo 15 Mission image - View of Crater Tsiolkovsky

AS15-91-12383 - Apollo 15 - Apollo 15 Mission image - View of Crater T...

The original database describes this as: Description: Oblique view northwestward across the far side of Crater Tsiolkovsky. The central peak of high albedo material contrasts sharply with the dark deposit on t... More

Telephoto lens view of Silver Spur in the Hadley Delta region from Apollo 15

Telephoto lens view of Silver Spur in the Hadley Delta region from Apo...

AS15-84-11250 (31 July-2 Aug. 1971) --- A telephoto lens view of the prominent feature called Silver Spur in the Hadley Delta region, photographed during the Apollo 15 lunar surface extravehicular activity (EVA... More

A female U.S. Army photographer demonstrates the use of a 35mm single lens reflex camera

A female U.S. Army photographer demonstrates the use of a 35mm single ...

The original finding aid described this photograph as: Country: Unknown Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Digital Photographic Files

AS17-145-22265 - Apollo 17 - Apollo 17, View of the Moon from the Lunar Module

AS17-145-22265 - Apollo 17 - Apollo 17, View of the Moon from the Luna...

The original database describes this as: Description: View of the moon from the Lunar Module. Tacquet A. Maclear, Julius Ceaser, Revolution 52. Original film magazine was labeled D, film type was SO-368 Color ... More

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