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  2. Canon EOS R3 - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_R3

    Canon EOS R3. The Canon EOS R3 [1] [2] is a 24 megapixel full-frame mirrorless interchangeable-lens camera launched by Canon officially announced by Canon on 14 September 2021 [3] alongside two RF mount lenses. The camera is available as body only with a MSRP of US$5,999.00. The camera marks the return of eye-controlled autofocus, a feature not ...

  3. M39 lens mount - Wikipedia

    en.wikipedia.org/wiki/M39_lens_mount

    The M39 lens mount is a screw thread mounting system for attaching lenses to 35 mm cameras, primarily rangefinder (RF) Leicas. It is also the most common mount for Photographic enlarger lenses. True Leica Thread-Mount (LTM) is 39 mm in diameter and has a thread of 26 turns-per-inch or threads-per-inch (tpi) (approximately 0.977 mm pitch) of ...

  4. Prism spectrometer - Wikipedia

    en.wikipedia.org/wiki/Prism_spectrometer

    A lens or telescope is then used to form images of the original slit, with images formed using different wavelengths of light at different positions. If a real image is formed, it can be recorded on film or an image sensor, making the device a spectrograph. Replacing the prism with a diffraction grating would result in a grating spectrometer ...

  5. Canon EOS M - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_M

    Weight. 262 g (0.578 lb) Made in. Japan. Canon EOS M is the first mirrorless interchangeable-lens camera produced by Canon . DPReview noted that the EOS M is effectively a miniature version of the Canon EOS 650D, which was introduced in June 2012, with a simpler physical interface. [1] The letter M in EOS M stands for "mobility" and EOS means ...

  6. Canon TS-E 135mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_TS-E_135mm_lens

    November 2017 [1] Retail info. MSRP. $2,199.00 [2] USD. The Canon TS-E 135 mm f/4L MACRO is a tilt-shift, Macro prime lens that provides the equivalent of the corresponding view camera front movements on Canon EOS camera bodies. Unlike most other EF-mount lenses, it does not provide autofocus .

  7. History of the single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/History_of_the_single-lens...

    The Canon FD 55mm f/1.2 AL (Japan) of 1971 was the first rectilinear aspheric SLR lens; for FD mount Canon SLRs, and the Asahi SMC Takumar 15mm f/3.5 (Japan/West Germany) of 1975 was the first rectilinear aspheric wide angle SLR lens; for M42 screw mount Asahi Pentax SLRs (co-designed with Carl Zeiss [Oberkochen]). The use of modern precision ...

  8. DxO ViewPoint - Wikipedia

    en.wikipedia.org/wiki/DxO_ViewPoint

    DxO ViewPoint is image geometry and lens defect correction software developed by DxO. It is designed to automatically straighten distorted perspectives caused by the lens used and the position of the photographer. The software claims to be able to make precise corrections to lens flaws through its use of DxO's database of calibrations (called ...

  9. Mamiya 645 - Wikipedia

    en.wikipedia.org/wiki/Mamiya_645

    The Mamiya 645 Pro was manufactured from 1993 to 1998. It added a self-timer and a smoother styling. The standard lens was the 80mm f/2.8 N or the 80mm f/1.9 N. [1] [8] The Mamiya 645 Pro-TL was manufactured from 1997 to 2006 and is functionally similar to the 645 Pro but adds through-the-lens flash metering.