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What (who) is SLR - definition
WIKIMEDIA DISAMBIGUATION PAGE
Slr; SLR (disambiguation); SLRs
SLR
¦ abbreviation
1. self-loading rifle.
2. single-lens reflex.
SLR
Scalable Linear Recording (Reference: Streamer, Tandberg)
Single-lens reflex camera
![Zeiss Ikon VEB Contax S]], manufactured in [[Dresden]], one of the two original [[pentaprism]] SLRs for eye-level viewing that went into production in 1949. The Italian [[Rectaflex]] offered its first production SLR, the series 1000, the same year.](https://commons.wikimedia.org/wiki/Special:FilePath/Contax-s.jpg?width=200 "Zeiss Ikon VEB Contax S]], manufactured in [[Dresden]], one of the two original [[pentaprism]] SLRs for eye-level viewing that went into production in 1949. The Italian [[Rectaflex]] offered its first production SLR, the series 1000, the same year.")
![Cut-away of a [[Minolta XE]] film-based SLR](https://commons.wikimedia.org/wiki/Special:FilePath/Cut-away Minotla SLR IMG 0378.jpg?width=200 "Cut-away of a [[Minolta XE]] film-based SLR")
.svg?width=200 "Parts")
![Cross-section view of SLR system:
1: Front-mount lens (four-element Tessar design)
2: Reflex mirror at 45-degree angle
3: Focal plane shutter
4: Film or sensor
5: [[Focusing screen]]
6: Condenser lens
7: Optical glass pentaprism (or pentamirror)
8: Eyepiece (can have diopter correction ability)](https://commons.wikimedia.org/wiki/Special:FilePath/SLR cross section.svg?width=200 "Cross-section view of SLR system:
1: Front-mount lens (four-element Tessar design)
2: Reflex mirror at 45-degree angle
3: Focal plane shutter
4: Film or sensor
5: [[Focusing screen]]
6: Condenser lens
7: Optical glass pentaprism (or pentamirror)
8: Eyepiece (can have diopter correction ability)")
![[[Medium format]] SLR by [[Hasselblad]] (Model 1600F), Sweden](https://commons.wikimedia.org/wiki/Special:FilePath/Hasselblad 1600F.jpg?width=200 "[[Medium format]] SLR by [[Hasselblad]] (Model 1600F), Sweden")
![Medium format SLR by [[Bronica]] (Model S2), Japan. Bronica's later model—the Bronica EC—was the first medium format SLR camera to use an electrically operated [[focal-plane shutter]]](https://commons.wikimedia.org/wiki/Special:FilePath/Zenza BRONICA S2 with ZENZANON 100mm F2.8.JPG?width=200 "Medium format SLR by [[Bronica]] (Model S2), Japan. Bronica's later model—the Bronica EC—was the first medium format SLR camera to use an electrically operated [[focal-plane shutter]]")
![The 1952 ([[Pentax]]) [[Asahiflex]], Japan's first single-lens reflex camera.](https://commons.wikimedia.org/wiki/Special:FilePath/Asahiflex600.jpg?width=200 "The 1952 ([[Pentax]]) [[Asahiflex]], Japan's first single-lens reflex camera.")
![The [[Contaflex]] III a single-lens reflex camera from West Germany from 1957, with additional 115 mm lens](https://commons.wikimedia.org/wiki/Special:FilePath/Contaflex BW 2.JPG?width=200 "The [[Contaflex]] III a single-lens reflex camera from West Germany from 1957, with additional 115 mm lens")
![Kamera-Werke's]] Praktina.](https://commons.wikimedia.org/wiki/Special:FilePath/Nikonf.jpg?width=200 "Kamera-Werke's]] Praktina.")
![[[Canon Pellix]], 1965, the first camera to incorporate a stationary pellicle mirror.](https://commons.wikimedia.org/wiki/Special:FilePath/Canon pellix.jpg?width=200 "[[Canon Pellix]], 1965, the first camera to incorporate a stationary pellicle mirror.")
![The [[Pentax]] Spotmatic IIa, 1971](https://commons.wikimedia.org/wiki/Special:FilePath/Honeywell-Pentax-Spotmatic.jpg?width=200 "The [[Pentax]] Spotmatic IIa, 1971")
![Olympus]] The 35 mm film-based [[Olympus OM-2]] (1975), which was the first SLR to measure light for electronic flash off the film plane.](https://commons.wikimedia.org/wiki/Special:FilePath/OM-2-2.jpg?width=200 "Olympus]] The 35 mm film-based [[Olympus OM-2]] (1975), which was the first SLR to measure light for electronic flash off the film plane.")
![[[Casio]] RF2 35 mm film SLR](https://commons.wikimedia.org/wiki/Special:FilePath/Casio RF2.JPG?width=200 "[[Casio]] RF2 35 mm film SLR")
![[[Nikon F5]] professional SLR, 1996](https://commons.wikimedia.org/wiki/Special:FilePath/16-04-09 Nikon F5 RalfR WAT 6948.jpg?width=200 "[[Nikon F5]] professional SLR, 1996")
![Digital SLR]] Nikon D200 and a Nikon [[film scanner]]](https://commons.wikimedia.org/wiki/Special:FilePath/Coolscan-V.jpg?width=200 "Digital SLR]] Nikon D200 and a Nikon [[film scanner]]")
CAMERA THAT TYPICALLY USES A MIRROR AND PRISM SYSTEM
Single lens reflex camera; Single lens reflex; Single Lens Reflex; Single-lens reflex; SLR camera; Single-Lens Reflex; Single Lens Reflex cameras; Single lens; Single-lens; Single-lens reflex cameras; Reflex mirror; Through the lens camera; SLR (camera)
A single-lens reflex camera (SLR) is a camera that typically uses a mirror and prism system (hence "reflex" from the mirror's reflection) that permits the photographer to view through the lens and see exactly what will be captured. With twin lens reflex and rangefinder cameras, the viewed image could be significantly different from the final image.
Examples of use of SLR
1. Sony, which bought the SLR unit of Konica Minolta Holdings, began selling its first digital SLR in July at around 100,000 yen, with a resolution of 10.2 megapixels.
2. Eriksson, 44, somehow wound up with two Enzos, as well as a Mercedes–Benz SLR McLaren.
3. In Japan, Canon expects to recover its share in the domestic digital SLR market, which shrank to the mid–40 percent range after Sony and Matsushita introduced their new SLR models in July.
4. Then they roared off into the night in the Mercedes McLaren SLR, which hits 0–60 in 3.8 seconds.
5. Mr Kahn has put F1 on his new Mercedes–Benz McLaren SLR, which cost 200,000 less than the number.