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The 645 format is nominally 6×4.5 cm, but actual frame measurements are 56×41.5 mm (2.20×1.63 in), [94] [95] which gives a crop factor (aka focal length multiplier) of 0.62 compared to 135 film. For comparison, a H system lens with a focal length of 80 mm using an H system film back would have the equivalent coverage of a lens with a focal ...
The French scale measures and is proportional to the outer diameter of a catheter, with 1 French (Fr) defined as 1 ⁄ 3 millimeter, making the relationship: 1 mm = 3 Fr. Thus, the outer diameter of a catheter in millimeters can be calculated by dividing the French size by 3. [ 2 ]
102 mm (4.0 in) Bofors 10,2 cm submarine anti air gun L/35 Sweden: Interwar - World War II 102 mm (4.0 in) Bofors 10,2 cm naval anti air gun L/50 Sweden: Interwar - World War II 102 mm (4.0 in) BL 4 inch naval gun Mk I - VI United Kingdom: 1880s - 1900 102 mm (4.0 in) BL 4 inch Mk VII 50-caliber United Kingdom: World War I - World War II
To help compare different orders of magnitude, this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm). 1.0 mm – 1/1,000 of a meter; 1.0 mm – 0.03937 inches or 5/127 (exactly) 1.0 mm – side of a square of area 1 mm²; 1.0 mm – diameter of a pinhead; 1.5 mm – average length of a flea [27]
The EF 35-80mm f / 4-5.6 USM lens is a family of EF mount wide-to-normal zoom lenses manufactured and sold by Canon. There were five versions made. There were five versions made. One contained a piezoelectric motor, three contained a micro motor, and one contained a USM motor.
35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Typical crop factors are 1.26× – 1.29× for Canon (1.35× for Sigma "H") APS-H format, 1.5× for Nikon APS-C ("DX") format (also used by Sony, Pentax, Fuji, Samsung and others), 1.6× for Canon APS-C format, 2× for Micro Four Thirds format, 2.7× for 1-inch ...
The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...
4 in × 1 in × 5 + 3 ⁄ 4 in (102 mm × 25 mm × 146 mm) = 377 cm 3. This smaller form factor is similar to that used in an HDD by Rodime in 1983, which was the same size as the "half height" 3 + 1 ⁄ 2 in (89 mm) FDD, i.e., 1.63 inches (41 mm) high.