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Mamiya Press

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Japanese medium-format VF and RF (edit)
6×9 Fujica G690/GL690 | Fujica GW690/GSW690 | Mamiya Press | Marshal Press
6×8 Fujica GW680/GSW680
6×7 Fujifilm GF670 | Fujica GM670 | Fujica GW670 | Koni-Omega | Koni-Omegaflex | Makina 67 | Mamiya 7
6×6 Mamiya 6
4.5×6 Bronica RF645 | Fuji GA645 | Fujica GS645/GS645S/GS645W
Japanese medium format SLR and TLR ->
Other Japanese 6×6, 4.5×6, 3×4 and 4×4 ->

The Mamiya Press is a medium format rangefinder camera system designed to accept interchangeable backs and lenses. Mamiya made a number of variants to the basic body design, including one model, the 600SE, that was licensed to be marketed under the Polaroid name. The camera body itself is a simple affair, with a single-window combined range- and view-finder that couples to the lens for focusing. It has tripod mounts in both vertical and horizontal positions, a mount for a handgrip for the left hand, and cold shoes on both the body and the handgrip.

Lens SystemEdit

The lens system incorporates a breechlock mount unique to the Mamiya Press, and each lens is mounted in a Seikosha leaf shutter. Lenses of fixed focal lengths from 50mm to 250mm were produced, all of which covered up to 2x3 film sheets, while the 127mm and 75mm lenses offered greater coverage necessary for the 2 7/8 x 3 3/4 inch images produced by the Polaroid backs.

Lenses produced were:

  • 50mm f/6.3 - 8 elements in 5 groups (Biogon type)
  • 65mm f/6.3 - 4 elements in 4 groups (similar to the Wide Field Ektars or Bausch & Lomb Metrogon)
  • 75mm f/5.6 - 7 elements in 4 groups (Biogon type)
  • 90mm f/3.5 - 4 elements in 3 groups (Tessar type)
  • 100mm f/3.5 - 4 elements in 3 groups (Tessar type)
  • 100mm f/2.8 - 6 elements in 4 groups (Gauss type)
  • 127mm f/4.7 - 4 elements in 3 groups (Tessar type)
  • 150mm f/5.6 - 4 elements in 3 groups (Tessar type)
  • 250mm f/8 (not rangefinder coupled)
  • 250mm f/5 - 6 elements in 4 groups (Sonnar type)

Film Backs & AccessoriesEdit

Two different types of back exist for the Mamiya Press, the Graflex back, and the Mamiya Back, or G-type and M-types. The backs are incompatible with each other, and Press cameras came in versions for either one back or the other. The Super 23 only accepted Mamiya (M-type) backs. The Mamiya Universal had interchangeable rear adapters - the M adapter and the G adapter. Thus, the Universal was capable of using both Mamiya and Graflex backs, as long as one had the appropriate adapter. The Universal also accepted a Polaroid back; this needed no adapter and attached directly to the main camera body.

Mamiya film backs include 6x9, 6x7, a combination 6x4.5-6x6-6x9 back, and Polaroid packfilm backs. Accessory backs for 2.5 x 3.5 inch (6.5x9cm) sheet film and plates include a right angle focusing back, a magnifying focusing back and a ground glass viewing back. Other accessories include a wire frame sportsfinder, separate finders for the 50mm, 65mm, and 75mm lenses, back spacers and extension tubes.

IterationsEdit

Mamiya PressEdit

This was the first iteration of the camera. It lacked brightlines in the finder, came standard with a 90mm f/3.5 lens, and was produced with a M-type back. Other models were produced, such as the Press G, with the Graflex back system, and the Press S with a fixed 105mm lens.

Mamiya Super 23Edit

This upgraded version was capable of using roll film and 2x3 sheet film, and came with a rear tilt and swing device to allow for close focus and tilt effects. It also added a brightline display to the finder, with automatic parallax compensation, and framelines for 100mm, 150mm, and 250mm lenses.

Mamiya UniversalEdit

This revision allowed for use of both Mamiya and Graflex backs, as well as the Land Polaroid back, but eliminated the Super 23's rear bellows device. A similar model was marketed as the Polaroid 600SE, however both the lens mount, and film back mounts, were changed so that neither lenses nor film backs were interchangeable between the Polaroid and Mamiya models. Some 3rd party companies in Japan & the US produced adapters to allow Mamiya Press back accessories to be fitted to the 600SE.

Bibliography Edit

Links Edit

In Japanese:

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