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Compared to mainstream cameras that typically have non-interchangeable lenses and/or focal plane shutters operated from the camera body, another difference with medium and especially large format lenses is that they are typically interchangeable in a very simple manner, being mounted in a "lens board", and include a shutter just in front behind ...
Rodenstock lenses for large-format cameras; L–R: Grandagon-N 115 mm f /6.8, Apo-Sironar-S 210 mm f /5.6, Grandagon-N 90 mm f /4.5 Rodenstock Photo Optics traces its origins to a mechanical workshop founded in 1877 by Josef Rodenstock and his brother Michael in Würzburg, Germany.
Many medium-format and most large-format cameras, however, have interchangeable lenses each fitted with a central shutter. A few interchangeable-lens cameras have a behind-the-lens leaf shutter. Large-format press cameras often had a focal-plane shutter. Some had both a focal-plane shutter (for lens interchangeability) and a lens with central ...
Lenses offered for the S2 include Summarit-S in normal (70mm), wide-angle (35mm), and macro (120mm) varieties, and Tele-Elmar (180 mm) portrait-length telephotos; these are available in versions that feature integrated multi-leaf blade shutters ("Central Shutter", or CS), in addition to the focal-plane shutter in the camera body, to enable ...
The Fine-Art XXL line is designed for ultra-large format shooting, covering 20×24 inches. Both lenses are large and heavy, but are designed with exceptional image quality and a huge 900 mm circle of coverage in mind. The 550 mm lens is a 6/2 construction, giving 78° of coverage, while the 1100 mm lens is 4/4 with 45.7° of coverage.
As diffraction is based on aperture width in absolute terms rather than the f-stop ratio, lenses for very small formats common in compact cameras rarely go above f/11 (1/1.8") or f/8 (1/2.5"), while lenses for medium- and large-format provide f/64 or f/128.
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