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411 REFERENCE · Wikibooks

Photography Equipment/Medium Format

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

Systems Digital systems Medium format digital systems differentiate themselves from 35mm DSLR type cameras by having a larger sensor, usually a CCD. However many medium format cameras can also be described as Digital Single Lens Reflex (DSLR). Hasselblad H system, eg HD3II-50 (50 megapixel 36×48mm sensor), leaf shutter lenses PhaseOne digital backs, compatible with a variety of cameras, eg P65+ camera back (53.9x40.4 mm, 60.5 megapixels) Leaf system using the Rollei mount, Leaf Aptus-II 10 (56x36mm sensor, 56 megapixels) Sinar Hy6 system using the Rollei mount Scanning type Seitz 6x17 Digital Film systems Medium format film photography systems generally use roll film that is 6cm wide; either 120 film that is 72cm long with a paper backing or 220 film that is twice as long with no paper backing. Different systems use different aspect ratios, such as the smaller 6×4.5cm film size (also known as 645), the square 6×6cm format up to the panoramic 6×17cm format. The actual image size on the film is slightly smaller than the stated value, for example the Mamiya 645 system creates images sizes of 5.6x4.15cm. 6×4.5cm Hasselblad H system, eg H2F camera, autofocus leaf shutter lenses Mamiya 645 system, eg 645 AFD III, autofocus, focal place shutter 6×6cm Rollei, eg 6008AF camera, autofocus on selected Schneider lenses. Zeiss manual focus lenses also available. Leaf shutter. 6×7cm Mamiya 7 system. Rangefinder with leaf shutter. 6×17cm Linhof Technorama, 5 Schneider lenses, groundglass and shift adapter available