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A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.
Electronic viewfinders have the potential to give the 'viewing-experience' of a DSLR (through-the-lens viewing) without many of the disadvantages. More recently, Sony have resurrected the pellicle mirror concept in their " single-lens translucent " (SLT) range of cameras.
35 mm f/3.5 PC-Nikkor lens — the first perspective control lens for a 35 mm camera, permitting control of perspective in architectural photography. 1962 Nikkorex Zoom 35 (Japan): first 35 mm SLR with fixed zoom lens (Zoom-Nikkor Auto 43–86mm f/3.5). Had non-pentaprism, four mirror reflex viewfinder and leaf shutter.
Zenit 122 Zenit-4 with leaf shutter Zenit-16 with vertical travel shutter. The first attempt to make high-end professional camera by KMZ was the Start in 1958. This camera had a full set of shutter speeds (from 1 sec to 1/1000), a lens with an automatic diaphragm in a unique breech-lock mount, and even a knife for cutting-off part of the unexposed film.
The centre of the diaphragm's aperture coincides with the optical axis of the lens system. Most modern cameras use a type of adjustable diaphragm known as an iris diaphragm, and often referred to simply as an iris. See the articles on aperture and f-number for the photographic effect and system of quantification of varying the opening in the ...
PC: Prontor-Compur. A 3.5 mm coaxial camera jack named PC terminal, to synchronize external non-dedicated flashes (f.e. studio flashes), found on many more advanced camera models. Also may mean "Perspective Control" for a lens that has the ability to shift to tilt to control linear perspective in an image.
Zoombrowser EX – Image organizer utility for viewing and transferring photos from digital camera to desktop computer. Digital Photo Professional is available for asset management and editing of downloaded images. CameraWindow DC – Image Downloader utility for transferring photos from digital camera to desktop computer (used by Zoombrowser EX).
The 35mm PC-Nikkor did not meet the need of photographers for a wider-angle lens, so in July 1975 Nikon released the 28mm f / 4 PC-Nikkor. In February 1981 Nikon released an improved version of this lens, the 28mm f / 3.5 PC-Nikkor, with a new optical design. This was the last of the completely manual PC-Nikkors to be offered.