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  2. M42 lens mount - Wikipedia

    en.wikipedia.org/wiki/M42_lens_mount

    The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. It is more accurately known as the M42 × 1 mm standard, which means that it is a metric screw thread of 42 mm diameter and 1 mm thread pitch .

  3. Pentax (lens) - Wikipedia

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

    M42 (screw mount, branded Takumar, all other Pre-K Mount 35mm bodies, e.g. the Pentax Spotmatic) ES M42 Mount (Introduced in 1971. Allows open aperture metering with Super Multi-Coated Takumar lenses with Pentax ES and ESII cameras. 3rd Party ES lenses include Sigma YS, Sigma XQ, Vivitar TX, and Tamron Adaptall mounts.)

  4. Krasnogorsk-3 - Wikipedia

    en.wikipedia.org/wiki/Krasnogorsk-3

    The stock lens is the f/1.9 17–69 mm zoom lens Meteor-5-1, considered by many to be a quality optic. The M42 screw-mount allows for the use of widely available lenses from 35 mm still cameras such as Asahi Pentax Takumar lenses. Cameras which have been modified from the original standard 16mm (double-perforartion) to accept Super 16 (single ...

  5. Lens mount - Wikipedia

    en.wikipedia.org/wiki/Lens_mount

    A lens mount is an interface ... Screw Photography Asahiflex: M42: 45.46 mm 35 mm: 42 mm 1 mm Screw Photography Praktica, [11] Pentax, Zenit B4-mount: 48 mm

  6. List of Pentax products - Wikipedia

    en.wikipedia.org/wiki/List_of_Pentax_products

    3.3 M42 screw mount lenses. 3.4 Q-mount lenses. 3.5 Auto 110 lenses. 3.6 645 lenses. ... Cameras using the M42 lens mount, also known as the Pentax screw mount.

  7. Micro Four Thirds system - Wikipedia

    en.wikipedia.org/wiki/Micro_Four_Thirds_system

    Adapters ranging from low- to high-quality are readily available for purchase online. Canon FD, Nikon F (G lenses require special adapters), MD/MC, Leica M, M42 Screw Mount, and C-mount Cine lenses are all easily adaptable to the Micro Four Thirds system with glassless adapters, resulting in no induced loss of light or sharpness.