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  2. Konica Autoreflex - Wikipedia

    en.wikipedia.org/wiki/Konica_Autoreflex

    The AR-mount features a relatively short flange focal distance of 40.50 mm for a 35 mm film SLR camera. Its diameter is 47 mm. [ 3 ] The focal lengths offered by Konica ranged from 21 mm to 2000 mm along with a 15 mm fisheye lens ; from the start, one zoom, the 47-100mm f3.5 Hexanon AR-H , was offered.

  3. Barrel threads - Wikipedia

    en.wikipedia.org/wiki/Barrel_threads

    For example, factory and aftermarket receivers using the Remington 700 footprint are produced with various types of action threads, all with a 26.99 mm (1 + 1 ⁄ 16 in) diameter, but with a pitch of either a 1.588 mm (16 TPI, Remington standard), 1.411 mm (18 TPI) or 1.270 mm (20 TPI, Savage standard).

  4. Flat Display Mounting Interface - Wikipedia

    en.wikipedia.org/wiki/Flat_Display_Mounting...

    Most sizes of VESA mount have four screw-holes arranged in a square on the mount, with matching tapped holes on the device. The horizontal and vertical distance between the screw centres respectively labelled as 'A', and 'B'. The original layout was a square of 100mm. A 75 mm × 75 mm (3.0 in × 3.0 in) was defined for smaller displays.

  5. List of motion picture film formats - Wikipedia

    en.wikipedia.org/wiki/List_of_motion_picture...

    Gate dimensions are the width and height of the camera gate aperture, ... 70 mm, at 48 frame/s 2.21 1.912" × 0.87" spherical FuturVision 360 [49] 65 mm 1.52

  6. 19-inch rack - Wikipedia

    en.wikipedia.org/wiki/19-inch_rack

    Although there is no standard for the depth of equipment, nor specifying the outer width and depth of the rack enclosure itself (incorporating the structure, doors and panels that contain the mounting rails), there is a tendency for 4-post racks to be 600 mm (23.62 in) or 800 mm (31.50 in) wide, and for them to be 600 mm (23.62 in), 800 mm (31. ...

  7. List of Minolta A-mount lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_Minolta_A-mount_lenses

    These new lenses included 35–80 mm f /4–5.6 (with built-in lens cap), 80–200 mm f /4.5–5.6, 35–105 mm f /3.5–4.5, 70–210 mm f /3.5–4.5, and 100–300 mm f /4.5–5.6. [ 4 ] Some of the original lenses were updated and re-released with the same cosmetics and are known as "New" or "Restyled" versions; minor optical updates such as ...

  8. Fujifilm X-mount - Wikipedia

    en.wikipedia.org/wiki/Fujifilm_X-mount

    Fujinon XC 16-50mm f/3.5-5.6 OIS: This lens is a consumer-grade standard zoom, covering wide angle to short telephoto, equivalent to 24–76 mm on a full frame camera. The lens is the 'kit' lens for the X-M1 camera, and has a lower end build quality than the other Fujinon lenses, while maintaining good optical quality.

  9. Lens board - Wikipedia

    en.wikipedia.org/wiki/Lens_board

    Depending on the size and focal length of a particular lens, a certain diameter of hole is drilled in the center of the lens board to accommodate the shutter assembly. Lens boards are typically available pre-drilled by the camera manufacturer, however, if no replacement lens board is available from a camera manufacturer, then one can be custom fabricated by a machinist.