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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 .
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.
3.3 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.
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.)
N/A. Screw mount must be adjusted manually for back focus. Back focal distance from <1mm to 12mm. 1/6" to 1" 12 mm 0.5 mm pitch Screw CCTV, PCB: Edmund Optics μ-Video Bolex Bajonet 23.22 mm 16 mm: Breech lock Cinematography effective focal distance 17.526 mm (0.69 inches) due to beam splitter behind mount flange (accepts C-mount lenses with ...
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]