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Cambo lens board with Copal #1. A lens board or lensboard is a photographic part used for securing a lens to the front standard of a large format view camera. [1] The lens board itself is usually flat, square, and made of metal (most commonly aluminum), wood, or plastic. The lens board will have a hole of various diameters drilled dead center ...
It is best known as manufacturers of large format lenses for view cameras, enlarger lenses, and photographic loupes. It also makes a limited amount of small- and medium-format lenses, and has at various times manufactured eyeglasses and camera rangefinders, as well as being an OEM lens maker for Kodak and Samsung digital cameras.
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 ...
Standard 4x5 inches back with format adapters for 6x9 and 6x12, interchangeable backs with short rotation attachment 8° and bayonet attachment or interchangeable lens boards for the lenses. Large in dimension, it is later provided with front bellows (Flexibellow) that perform the lens focusing, tilting, and swinging. With this accessory, the ...
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 ...
Basic view camera terminology. A view camera is a large-format camera in which the lens forms an inverted image on a ground-glass screen directly at the film plane.The image is viewed, composed, and focused, then the glass screen is replaced with the film to expose exactly the same image seen on the screen.
From 1912 to 1973 Graflex produced large format and medium format press cameras in film formats from 2 + 1 ⁄ 4 by 3 + 1 ⁄ 4 inches (57 mm × 83 mm) to 4 by 5 inches (100 mm × 130 mm) . [5] They also produced rangefinder, SLR and TLR cameras in a variety of formats ranging from 35mm to 5 by 7 inches (130 mm × 180 mm). [4]
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