Item is a brown Sawyer's View-Master with a internal light meant to illuminate the backs of transparencies. Item comes with 1reel of 7 diametrical, 16 mm colour transparencies showing famous global landmarks and world events. White push down lever on the right side rotates reel to next slide.

This item is a view master gift-pak. The brown view master is made of plastic and metal with a small lever on the right side. When pushed down the lever rotates the reel inside. There are 7 separate Kodafilm reels of 16 mm transparencies depicting landscapes and landmarks throughout North American. Item comes in original box with a catalogue of optional View Master reels.

Item is a wooden handheld Holmes style stereoscope. Handle bends back onto viewer. Hood of viewer is lined with red velvet. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a wooden hand held Holmes style stereoscope. Handle is able to bend back onto the viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images have overlapped to mimic a three-dimensional effect.

Written on object : Underwood & Underwood New York. Written in viewer hood : Pat. Applied For.

Item is a hand held Holmes style stereoscope made of wood and aluminium. Viewer hood is lined with velvet and engraved with a leaf pattern. Handle folds onto viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images have overlapped to mimic a three-dimensional effect.

Written on object: Warranted Underwood & Underwood Manufacturers New York Patent Applied For.

This item is an optical drawing device. It was designed to trace images appearing in the reflection of the mirrors. There are two slots on either part of the device to hold templates. The mirror swings back and forth beneath the stand to ensure a better view of the templates. Item comes with original manual titled "When And How To Use The Cheiroscope In Visual Training By Dr. Lee H. Jalonack O.D.F.D.S.F"

Item is a plastic and metal stereo viewer used to observe reels of Kodak colour three-dimensional transparencies. Knob on the side switches transparencies.

Written on box: "Focus and interocular adjustments, takes all standard stereo mounts, operates anywhere-converts to 110-volt"

This item is a miniature wood and plastic combination viewer and stereoscope. Item has two parts that can elevate the viewer and stereoscope to a preferred view. Graphoscope is a viewing device used to enlarge photographs and text. Item is a made of a magnifying glass in a wooden frame and can collapse into a compact form. Whereas the stereograph was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

This item is a metal pedestal stereoscope with binocular style viewer. Viewer can revolved 360 degrees around pedestal base. Viewer hood has art deco engravings. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

This item is a aluminium and wood hand held Holmes style stereoscope manufactured by Underwood & Underwood. Viewer hood is made of aluminium and lined with velvet. On top of the hood is a Underwood & Underwood brand between leaf detailing. Handle can fold back onto viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Written on object: manufactured by Underwood & Underwood New York Patented June 11, 1901 Foreign Patents Applied For.

This item is a large metal circular shaped stereoscope with glass flower designs on the sides. This coin operated stereoscope activates a mechanism that turns a metal belt containing built in stereographs. Richard R. Whiting formed the American Novelty Company in Cincinnati, Ohio. Whiting developed and sold stereoscopes from the 1880s till the mid-1900s. He manufactured the sculptoscope in 1925. The sculptoscope was commonly seen in arcades and cigar shops. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder then users would look through the lenses hood which would overlap the two images to mimic a three-dimensional effect. The sculptoscope uses a simple trigger for actuation. The counterweight cylindrical foot in front the viewer holds it in a comfortable viewing position and acts as a coin box. The top of the viewer has a plain glass window to illuminate the stereoviews and allow the user to look at the back of the previous card. A penny releases a set of 15 views to be show.

Patent # 1, 436, 742 (November 28, 1922).

Item is a black and green combination viewer and stereoscope with hummingbird and lily pad carvings detailed with minerals. Graphoscope is a viewing device used to enlarge photographs and text. Item is a made of a magnifying glass in a wooden frame and can collapse into a compact form. Whereas the stereoscope was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. This object can collapse into a compact form.

Item is a wooden Holmes style stereoscope attached to a pedestal. Stereoscope viewer is made of cardboard and lined with velvet. Viewer is able to bend at the base.This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a wooden pedestal Holmes style stereoscope. Hood of stereoscope is made of cardboard and adorned with a golden leaf pattern around the edges. Graphoscope is a viewing device used to enlarge photographs and text. Item is a made of a magnifying glass in a wooden frame and can collapse into a compact form.This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. This object can collapse into a compact form.

Item is a hand held metal stereoscope with a wooden handle. Viewer is lined with velvet. Hood of viewer is engraved with leaf design and branded with the TR trademark. Handle is able to bend back onto viewer.This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a wooden pedestal Holmes style stereoscope. The viewer can bend at the base. Hood of viewer has small metal balls decorating the edges. This item was used to view stereographs. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a handheld wooden stereoscope viewer. Card slide can bend to become more compact. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

This item is a hand held stereoscope made of wood and aluminium. The hood of the viewer is adorned with a floral engraving and a seal of a deer. The viewer is lined with velvet. The handle is able to bend back onto the viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. The hood is designed to keep out additional light.

Written on object: "Manufactured Keystone View Co. Meadville, PA. Patented 1904"

Item is a wooden tabletop stereoscope with binocular viewer made with 50 built in glass stereographs of landscapes from Quebec and Montreal, factories and vernacular photography. Top of the stereoscope can open for additional light. Inside the object is a revolving metal belt (patented by Alexander Beckers) holding the stereographs that can be turned by the circular handles on the outside of the viewer.

Written on object: 76/Unis-France Stereoscopes Mattey-Paris/3.

Item is a upright wooden box made to house stereographs. There are three slots in the box with 30 stereographs of Palestine ca. 1899 inside. Images were produced by several different stereo studios such as Underwood & Underwood and Keystone View Company. The stereoscope is made out of wood with a metal hood covering the viewer from additional light.This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a wooden polyorama style stereoscope with a detachable brass stand made to be a handheld stereoscope or standing stereoscope. There is a glass stereograph of a park view inside the stereoscope. Item comes with 3 prize ribbons for "Best in Category" at the National Stereoscopic Association Photography Shows. Lenses in viewer slide out to the side for cleaning, Reflecting lid is fitted with a convex mrror. Written on base of stand: 34 Picadilly London Registered Feb 1858

Item is a wooden hand-held stereoscope with an ornate details around the viewer hood. Handle folds down onto viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a wooden and brass stereoscope with wooden hood cover. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. Item is a box type viewer which folds into it's own storage case. Additional reflector can be placed in adjustable brass arms to illuminate transparencies with its white or mirrored side. Viewer is mounted on underside of the lid case. Once inverted and lowered into the box the base becomes the the cover. Lock on either side designed to hold object in place. Later versions of this object included storage units for both viewer and slides. Such as a vertical model able to adjust the viewer to a convenient height and a horizontal cabinet to house stereoviews.

Written on lenses: Achromatic Smith Beck & Beck; Stereoscope 31 Cornell London.

Item is a black handheld stereoscope made of metal and attached to a wooden handle. Viewer has no hood. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a mahogany table top viewer adorned with doric style pillars. Item has two binocular style viewers on opposing ends. The optical rear eyepiece allows for back to back slide mountings. Inside the object is a revolving metal belt that can be turned by the circular handle on the outside of the viewer. The revolving belt can hold a minimum of 30 stereographs. Within the viewer are 10 stereographs made of glass, tissue and paper with themes ranging from landmarks, landscapes, portraits, and interior decor. Written on item: Alex Beckers New York Patent April 7 1857; March 1 & 29 1859; April 12 1859; Dec. 12 1859.

Item is a wooden and metal combination graphoscope and stereoscope. Glass is framed by detailed floral carving. Body is able to fold onto itself and stand on a floral engraved stand. Graphoscope is a viewing device used to enlarge photographs and text. Item is a made of a magnifying glass in a wooden frame and can collapse into a compact form. Whereas the Stereoscope was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

This item is a hand held Holmes style stereoscope. This item is entirely made of wood and has a binocular-like viewer. Handle folds back onto viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a wood and metal hand-held stereoscope with a red velvet viewer. This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the sliding card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect.

Item is a handheld stereoscope made of wood. Viewer hood is made of cardboard.This object was used to view two nearly identical photographs, or stereographs, as one three dimensional image.

This item is a handheld stereoscope made entirely of wood and has binocular style adjustable lenses. Handle folds onto viewer. Written on bottom of viewer: USA. APR. 23; 1889. OCT.15.1895; CANADA FEB.1996; FRANCE B.S.G.D.G; GREAT BRITAIN, GERMANY, AUSTRIA, AND BELGIUM."

Item is a Holmes style handheld stereoscope manufactured by H.C.White Company. Item is made of aluminium and wood with velvet around the viewer hood. The viewer is adorned with floral engraving. Slide holding the card is removable and adjustable to user's vision. Handle folds onto viewer. This item was used to view stereographs. "Exposition-Universelle Internationale, 1900" is branded on top of the viewer hood. Written on item: USA patent Oct.15.1895, June 3.1902; FEBY.1.1898 B.S.G.D.G. Great Britain, Austria, Belgium; Canada, France, Germany DRMG NO.53803; Patent July 24 1883. H.C. White Company was a main manufacturer of Holmes style stereoscopes. White obtained several patents for his high quality stereographs and stereoscopes. In 1907, White made the most mechanized stereo publishing facility in the world. The entire photo printing process was automatic to ensure a uniform standard. The H.C. White company produced three standard stereoscopes: wood, wood and metal, and all metal.

This item is a metal stereoscope binocular viewer with extendable legs and mirrored sides. This object was used to view aerial photographs and survey maps of land. In the 1920's Fairchild Aviation became the second-largest manufacturer of commercial air planes and fourth largest aviation organization in the United States of America. Written on item: "No. 40-1749."

This item is a wooden rectangular tabletop stereoscope built with a rotating metal belt containing 30 stereographs.

This item is a Keystone Correct-Eye Scope manufactured by Keystone Viewing Company. Item is made of wood, metal and plastic.

Item is a 46B Visual Survey Telebinocular used to view two nearly identical photographs, or stereographs, as one three dimensional image. The stereograph would be placed in the card holder and adjusted to fit the user's vision until the two images overlap to mimic a three-dimensional effect. Item is metal with a plastic eye piece. A lamp bulb is installed and attached to a power cable. Lamp bulb illuminates backs of stereographs or transparencies when viewed through the eye piece. Patent No. 2557608 made by Keystone View Company. Comes with 4 stereographs made by various photographers and studios such as G.W. Wilson, Underwood & Underwood and B.W Kilburn.

Item is a stereo slide changer used on Realist 620 Projector.

Item is a plastic view master decorated with imitation marble. This object was used to view reels of transparency images. The lever on the side of the viewer will rotate the reel one frame at a time once pressed.

Item is a small black metal magic lantern with wooden base used to project glass slides. Has small detachable cylinder glass lens. Internal gas lamp is used to project slides.

This item is a brown electric projector with a metal exterior and 1 reel containing paper duracolour filmstrips. On either side of the object are spindles designed to hold the film.Some versions of this item come with a sound mechanism that can be attached on the centre of the turning wheel by a screw. The handle turns both the film and audio simultaneously. This object was intended to be a children's toy.

This item is a plastic black stereo adaptor designed for Robins Industries Corporation's J-33 and J-66 Polaroid cameras. This object also contains the "2 for 1" film saver device. Item comes in its original box with its original manual. Item was intended to capture two identical images from a Robins Polaroid camera to be viewed through the stereo adaptor and create the impression of a three-dimensional image.

Item is an olive electric view master projector manufactured by Swayer's Inc. Originally this item was meant as an educational tool for adults but quickly became a popular children's toy. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Item is meant to project reel images on flat white screen

Item is a brown electric view master projector manufactured by Swayer's Inc. Originally this item was meant as an educational tool for adults but quickly became a popular children's toy. Item is made of plastic and metal. This projector has adjustable lenses, 100 watt light bulb, metal angle adjustment, slot to insert reels on the top and vent to cool light. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. From box: 100 watt projector, 1/2.8 lens, 2 1/4 focal lengeth, and 50" picture image. This projector was designed to project view master reels against flat white screens.

This item is a red bubble shaped view master used as a child's toy. This object has one reel of 7 diametrical, 16 mm colour transparencies showing famous Americans from the early 20th century. Including John D. Rockafeller and President Theodore Roosevelt. The push down lever on the side of the viewer will rotate the reel one frame at a time.

This item is a Holmes style hand held wood and metal stereoscope with a copper eyepiece. This object was used to view two identical images, or stereographs, as one three-dimensional photograph.

This item is a handheld metal and wood Holmes style stereoscope. The metal viewer has flower and leaf details engraved with fabric lining the metal eyepiece. This object was used to view two nearly identical images, or stereographs, as one three-dimensional photograph. The mercury stereoscope was manufactured by H.C. White Company, a main manufacturer of Holmes style stereoscopes. White obtained several patents for his high quality stereographs and stereoscopes. In 1907, White made the most mechanized stereo publishing facility in the world. The entire photo printing process was automatic to ensure a uniform standard. The H.C. White company produced three standard stereoscopes: wood, wood and metal, and all metal.

Item is a Holmes style handheld stereoscope made of metal and wood. Viewer has flower and leaf details engraved with fabric lining the metal eye piece. This object was used to view two identical images, or stereographs, as one three-dimensional photograph.

This item contains one red plastic view master with original packaging. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Item is used as both an educational tool and child's toy.

This item is a plastic blue viewer kept in original plastic sealed packaging. Item contains on one reel of 7 diametrical, 16 mm colour transparencies depicting children's cartoon shows. On the side of the object is a yellow push down leaver. Lever is designed to rotate reel.

This item contains a battery operated talking view master in its original box and comes with forms for a power wand attachment and to order more viewmaster wheels. This object was designed as both an educational tool and a toy for children. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Item includes a push down soundbar and speaker grill on the front and back. This object only accepts reels that have soundtracks built in them. When soundbar is pushed, the record plays and narrates the image on view.

This item is a red view master manufactured by Tycho as a child's toy in the 1994. Item contains 3 reels of 16 mm colour three-dimensional transparencies. Each reel shows 7 diametrical pairs of Bugs Bunny touring Australia.

This item is a wooden stereoscopic box set with hand held viewer. Viewer is able to fold on top of itself and is made of wood and leather. Box has 45 stereoscopic slides made from various publishing studios such as Kilburn and Underwood & Underwood. This box contains two dividers to keep stereocards stored in. Interior lid of box has inscription "Benny N Roadhouse, Garwick, July 1891." This object was used to view two identical images, or stereographs, as one three-dimensional photograph.

This item is a rectangular tabletop stereoscope built with a rotating metal belt inside containing 37 images of portraits, interior spaces, and landscapes.

This item is an optical instrument designed to create larger three-dimensional experiences from a two-dimensional photograph. Item is made of wood and has two sets of lenses made to enlarge images. Lenses also create different effects: "day effect" caused by reflected light, and a"night effect" created from a transparency with light shining through it. Item folds down onto itself. The pontioscope was one of many optical instruments designed by Carlo Ponti (1823-1893). Ponti also made and distributed stereoviews of Italian cities and reproductions of art. In 1866, Ponti became the official photographer to the king of Italy. Eventually opening other branches throughout Europe, America and Canada. In 1868, a legal battle began between Carlo Naya and Carlo Ponti over the rights to Ponti’s inventions. Naya had worked with Ponti from 1857 onwards developing pictures under his trademark,however, in 1868 Naya began selling imitations of Ponti’s inventions. In 1876, Ponti attempted to get back the sole rights to his invention but was unsuccessful.

Item is a brown handheld electric view master first manufactured by Swayer's Inc and first introduced at the New York World Fair (1939-1940). Once pressed down the lever on the side of the viewer will rotate the reel one frame at a time once pressed. Unlike previous view masters, this view master comes with a built in back light attached to an electrical cord. Once turned on the back light illuminates transparencies on view. Item is made of plastic and metal. Reel has 7 diametrical, 16 mm colour transparencies of The Atlas of Human Anatomy, Head and Neck.

Item is a handheld plastic view master containing a reel of 7 diametrical, 16 mm colour transparencies of Old Covered Bridges, New England. It was manufactured by GAF, Corporation in Portland, Oregon, USA. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Item is made of plastic and metal. Reels are interchangeable and come with a variety of themes.

Item is a handheld view master manufactured by Sawyer's Inc and first introduced at the New York World Fair (1939-1940). Item is made of plastic and metal. Reel of 7 diametrical, 16 mm colour transparencies of famous landmarks in British Columbia, Canada. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Reels are interchangeable and come with a variety of themes.

Item is a handheld view master manufactured by Swayer's Inc first introduced at the New York World Fair (1939-1940). Reel has 7 diametrical, 16 mm colour transparencies of Hollywood, California landmarks. The lever on the side of the viewer will rotate the reel one frame at a time once pressed. Originally this item was meant as an educational tool for adults but quickly became a popular children's toy. Item is made of plastic and metal. Reels are interchangeable and come with a variety of themes.

Item contains anaglyph three-dimensional set of viewing glasses and six three-dimensional viewing stickers, manufactured by Star Bright Design. This item was designed and marketed as a novelty child's toy. The anaglyph three-dimensional effect is caused by using two different coloured filters, typically red and cyan, on lenses. The viewing stickers have the same two colours added to the image, however, the subjects of the stickers are captured at slightly different perspectives. Once viewed through the glasses, the images superimpose onto each other creating a three dimensional image.

Item is a Holmes stereoscope with a detachable pedestal made to be a handheld stereoscope or standing stereoscope.Originally designed by Oliver Wendell Holmes (1809-1894), the Holmes stereoscope became the prototype for all stereoscopes of the 19th century. His passion for stereoscope technological possibilities became a significant factor in their widespread distributionThis object was often used for entertainment or education. The sterescope was built with a sliding card holder and hood to protect eyes from additional light. Next, two nearly identical images would be mounted and placed in the holder in front of the viewer. Then the images would be looked at through the viewer and merge together to mimic a three-dimensional object. This image was often referred to as a stereograph.

Item is a hand-held wooden viewer, base and handle attached to a metal accordion fold. Handle is able to bend back onto viewer. This sterescope was built with a card holder and hood to protect eyes from additional light that could disrupt the image

Item is a handheld stereoscope made of wood, metal and fabric. Viewer is adjusted by fabric between lenses. This item is a nontraditional stereoscope model, lacking a hood or sliding card holder. This stereoscope is patented by A.H. Baird, Edinburgh .

Series contains stereoscopic viewers, photographic images, and emphera. This includes a wide range of stereoscopes and three-dimensional viewers. Stereoscopes are devices used to view two mounted identical images as a single three-dimensional photograph commonly referred to as stereographs or stereoviews.

The first lens-based, portable stereoscopes were invented by Sir David Brewster in 1849 and presented at Crystal Palace during the London Great Exhibition between 1850 to 1851. Until a decade later when Oliver Wendell Holmes' adaptation of the Brewster stereoscope became the model for all later editions of stereoviewers during the 19th century. Holmes left his invention unpatented. This allowed other manufactures such as H.C. White, Underwood & Underwood and Keystone Viewing Company to mimic his design and increase production of stereoscopes and stereoviews. Ultimately, Holmes' decision would increase production and purchase of his invention.

Stereoscopes and stereo ephemera were meant for educational and entertainment purposes. Designs ranged from various materials like wood and aluminium, stereoscopes also had a large array of shapes and sizes from hand held to table top.

Following the 20th century, three-dimensional viewers became extremely popular. Some major manufactures such as GAF, Sawyer's View-Master and Tru-View produced iconic viewers made from metal, bakelite and other plastics. Originally, viewers and viewer emphera were developed for educational purposes but eventually became marketed as children's entertainment. Unlike stereoscopic viewers that could only look at single card stereoviews, three-dimensional viewers typically rotated black and white or colour transparency reels or multiview cards. Many original companies such as Sawyer's and GAF merged together but maintained the "View-Master" name. In 1989, the view-master brand was sold to Tycho until 1997 when Mattel and Tyco joined together. Now, view-masters are produced under the Fisher-Price title. View-masters were made from various materials and sizes. Some editions included built-in back lighting and sound recordings.

Items are cardboard stereocard mounts. Items are orange, blue and white

Item is a dark wooden box meant for holding stereocards. Decorated with wooden leaves.

Buttons depict an individual looking at a stereoscopic card through the use of a viewer. Other cards appear to be falling. Buttons read "Fort Wayne: The Place For You in '92! 1992 NSA National Convention and Trade Fair, Fort Wayne, Indiana, August 14-16.

The collection contains stereoscopic photographs, viewers, and cameras, collected by the donors between the 1970's and the 1990's and dating from the 1850's to the 1990's. Material includes a variety of viewers, cameras, photographs, and ephemera relating to three-dimensional photography.