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Nearly all large format leaf shutters made since the 1990s are manufactured by the Nidec Copal Corporation, therefore the diameter of hole drilled is commonly referred to as the ‘Copal Number’. The Copal sizes are as follows: Copal #0 - 34.6 mm; Copal #1 - 41.6 mm; Copal #3 – 65 mm; Copal #3s - 64.5 mm
150 mm (15 cm) f/4.5 C-mount - completely different design than the following 150mm f4.5 C-mount lens - this lens has a black and silver barrel - older in design appearance 150 mm f/4.5 Tele-Xenar for C-mount - very well crafted lens barrel, different in appearance than other lenses in the Tele-Xenar series except the 75mm f/3.8 C-mount lens ...
The most common large format is 4×5 inches (10.2x12.7 cm), which was the size used by cameras like the Graflex Speed Graphic and Crown Graphic, among others. Less common formats include quarter-plate (3.25x4.25 inches (8.3x10.8 cm)), 5×7 inches (12.7x17.8 cm), and 8×10 inches (20×25 cm); the size of many old 1920s Kodak cameras (various versions of Kodak 1, 2, and 3 and Master View cameras ...
Large format lenses are photographic optics that provide an image circle large enough to cover the large format film or plates used in large format cameras.. Photographic optics generally project a circular image behind that is only required to have acceptable correction of aberrations over the intended film/sensor diagonal with little room to spare.
These lenses are 8 elements in 6 groups, and have an angle of view of 105°. 65mm 1:5.6 (for 4×5 in) 75mm 1:5.6; 90mm 1:5.6 (for 5×7 in) Fujinon SW is a 6-element, 6-group line, with an angle of view of 100°. 90mm 1:8.0 (for 4×5 in) 105mm 1:8.0 (for 5×7 in) 120mm 1:8.0; 125mm 1:8.0; Fujinon-W. 125mm 1:5.6; 135mm 1:5.6; 150mm 1:5.6; 150mm 1 ...
Later in 1928, [1] the lens became the Tiefenbildner-Imagon, which was introduced by Rodenstock in 1930/1931 and produced up into the 1990s. The unusual term Tiefenbildner is a German composition, which can be best translated as " depth-of-field creator, modulator or painter" in an artistic sense; this designation was later dropped.
In addition, the same bellows are used for a certain size across all series, so changing format within a series is also possible. For example, the bellows used for all 4×5 cameras is coded 452.11; changing any 4×5 camera to a 5×7 camera would require a new bellows (452.17) along with an appropriate rear standard, frame, and film holder.
The most common sheet film size for press cameras was the 4×5 inch film format. [1] [2] Models have also been produced for the 2.25×3.25 inch format (6×9 cm), 3.25×4.25 inch format and various 120 film formats [3] from 6×6 cm. through 6×12 cm. European press cameras, such as the Goerz and Van Neck, used the 9×12cm format, marginally ...
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