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lens function compatibility Bayonet > K, M A F, FA, D-FA FA Powerzoom FA-J DA, DA-L DA-SDM, DA-DCM (KAF3) DA, D-FA (KAF4) Main changes: Camera First K-mount version A-position, electrical contacts Screw drive, with contacts for serial communication Two contacts for Powerzoom Aperture ring abandoned Small image circle In lens autofocus motor
Asahi Pentax. Cameras using the M42 lens mount, also known as the Pentax screw mount. Asahi Pentax (1957) — also sold as the Tower 26; Asahi Pentax S (1958) — also sold as the Tower 26; Asahi Pentax K (1958) — also sold as the Tower 29; Asahi Pentax S2/H2 (1959) — also sold as the Honeywell Pentax H2/Honeywell Heiland Pentax H2
The Pentax K-mount, sometimes referred to as the "PK-mount", is a bayonet lens mount standard for mounting interchangeable photographic lenses to 35 mm single-lens reflex (SLR) cameras. It was created by Pentax in 1975, [ 1 ] and has since been used by all Pentax 35 mm and digital SLRs and also the MILC Pentax K-01 .
What set these cameras apart from earlier Pentax ones was the replacement of the M42 "universal" screw-lens mount with a proprietary bayonet mount system, known as the K mount. Still the basis for Pentax lenses and cameras today, the K mount offered greater convenience and enabled the production of faster lenses such as the 50 mm f /1.2. [17]
All Pentax and Samsung D-Xenogon lenses are interchangeable since Samsung adopted K-mount on their GX camera bodies. [24] The Samsung GX-10 and GX-20 are the only two Samsung models compatible with SDM lenses. Pentax KAF3 lenses do only have an own internal autofocus motor and are not fully compatible with some early DSLR models like the *istD.
The smc Pentax-DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye lens is a fisheye zoom lens for the Pentax K-mount.It offers an up to 180 degree view, and allows quick shift focus (Pentax's term for giving the photographer the ability to manually focus the lens even when the camera is in autofocus mode without damaging the lens or camera).
The short flange focal distance of the Pentax Q series enables lenses from many manufacturers to be adapted to it, including Olympus OM, Canon FD, Minolta, M42 screw mount, M39 Leica, C-Mount, D-Mount, Pentax K, and Pentax 6×7. [7] A Pentax adapter with a synchronized shutter for Pentax K-mount lenses was released in October 2012. [8]
Lenses made by Pentax. Pentax originally used the M42 lens mount . In 1976 they created the K-mount , which they have used since for 35mm and latterly APS-C format camera systems.
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related to: promaster lens for pentax binoculars camera mount with stand