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Canon full-frame cameras have used the EF lens mount since 1987. In comparison with that mount, the RF mount's inner diameter is the same at 54 mm. [1] The RF mount's flange focal distance at 20 mm is much shorter than that of the Canon EF and EF-S mounts at 44 mm.
The depth-of-field adapter (also called a DOF adapter or 35 mm adapter) is a largely obsolete device that uses a ground glass focusing screen to enable the use of interchangeable lenses on a fixed lens camcorder. [5] There are also lens adapters made for other optical systems, including microscopes and telescopes.
The Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, and a range of lenses.It has been used on all the Leica M-series cameras and certain accessories (e.g. Visoflex reflex viewing attachment) up to the current film Leica M-A and digital Leica M11 cameras.
The Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35mm format single-lens reflex cameras.The F-mount was first introduced on the Nikon F camera in 1959, and features a three-lug bayonet mount with a 44 mm throat and a flange to focal plane distance of 46.5 mm.
The M9 uses an 18.5-megapixel Kodak (KAF-18500) CCD image sensor that was developed specifically for the camera. [1] The M9 boasts frameline pairs for 28/90, 35/135 and 50/75 and it supports most M-mount lenses—with only a few older models not suitable due to protruding elements of the lens into the camera body.
The introduction of this new design did not however stop continued use and production of the 13.2×99mm Hotchkiss "Long" cartridge by countries whom had already adopted it and in 1939 the cartridge saw new interest on the export market due to the newly developed 13.2 mm FN Browning aircraft machine gun, which was offered in both 12.7 × 99 mm ...
All measurements are in mm (in). 13 mm (.5118 in) and over. Name Date Bullet diameter Case length Rim Base Shoulder Neck Cartridge length 13×64mm [1] 12.91: 64: 17.2:
Mau-Chung Frank Chang (Chinese: 張懋中, born February 20, 1951) [1] is a Taiwanese-American electrical engineer and academic. He is Distinguished Professor and the Chairman of Electrical Engineering department at the University of California, Los Angeles, [2] where he conducts research and teaching on RF CMOS design, high speed integrated circuit design, data converter, and mixed-signal ...