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  2. M42 lens mount - Wikipedia

    en.wikipedia.org/wiki/M42_lens_mount

    The adapter fits between the camera and the lens, making it possible to mate an M42 lens to a body with a different lens mount. M42 adapters work best on bodies with a flange depth less than or equal to the M42's flange depth, which includes the popular Canon EF-mount, the Pentax K-mount, the Minolta/Konica Minolta/Sony A-mount, the Sony E ...

  3. List of Pentax products - Wikipedia

    en.wikipedia.org/wiki/List_of_Pentax_products

    Five lenses have been released for the Pentax Q. A sixth lens and an adapter were announced in September, 2012. Pentax 01 Standard Prime (2011) — 47 mm equivalent; Pentax 02 Standard Zoom (2011) — 28–80 mm equivalent; Pentax 03 Fisheye (2011) — 17.5 mm equivalent; Pentax 04 Toy Lens Wide (2011) — 35 mm equivalent

  4. T-mount - Wikipedia

    en.wikipedia.org/wiki/T-mount

    The T-mount is a standard lens mount for cameras and other optical assemblies. The usual T-mount is a screw mount using a male 42×0.75 (42 mm diameter, 0.75 mm thread pitch) metric thread on the lens with a flange focal distance of 55 mm and a mating female 42mm thread on a camera adapter or other optical component.

  5. Lenses for SLR and DSLR cameras - Wikipedia

    en.wikipedia.org/wiki/Lenses_for_SLR_and_DSLR...

    The Nikon F-mount lens systems and the Pentax K-mount systems are the only 35 mm SLR camera systems (apart from the Leica M-mount rangefinder system) that allow a photographer to use a mechanical SLR camera body, a fully automatic SLR camera body, and a DSLR camera body, all utilizing the same lenses.

  6. Pentax (lens) - Wikipedia

    en.wikipedia.org/wiki/Pentax_(lens)

    In addition to the 35mm line, Pentax added professional medium format 645 and 67 cameras lenses to its lineup. Pentax's digital interchangeable-lens camera bodies maintain compatibility with any Pentax K mount and even the M42 screwmount (with a Pentax adapter) ever made. 35mm and 645 lenses optimized for digital cameras are currently in ...

  7. Pentax Q - Wikipedia

    en.wikipedia.org/wiki/Pentax_Q

    This also allows the Pentax Q lenses to be proportionally smaller than lenses designed for larger formats. The short FFD of the Pentax Q enables it to accept manual focus lenses from many manufacturers (via adapters) including Nikon F, Leica M and 39M, Olympus OM, Canon FD, Minolta, M42 screw mount, C-Mount, D-Mount, Pentax K, and Pentax Auto 110.