Rolleiflex_QBM

QBM

QBM

Lens mount for Rolleiflex SL35 cameras


The Quick Bayonet Mount (QBM) is the bayonet mount system for the range of interchangeable lenses fitted to 135 film cameras built by Rollei in Germany and Singapore from 1970 through 1990, including the Rolleiflex SL35, Rolleiflex SL2000F [de], and Voigtländer VSL series. Lens brands sold with QBM included Carl Zeiss, Rolleinar, Schneider, and Voigtländer. QBM has a flange focal distance of 44.5 mm.

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Technical

The aperture ring should be set to its maximum position (smallest f/-number) before mounting on the camera. The depth-of-field preview should not be engaged during the mounting/dismounting process.[1]:30

List of QBM lenses

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Notes
  1. Part of the Rolleinar RS series, which were available in multiple mounts, including QBM, Canon FD, Minolta SR, Pentax K, Nikon F, and Olympus OM.

References

  1. "Rolleiflex SL35 M operating guide". Rollei Fototechnik. Retrieved 21 April 2023.
  2. "System Summary: SL 2000 F" (PDF). Pacific Rim Camera, Reference Library. Rollei Fototechnic. Retrieved 21 April 2023.
  3. "Rolleiflex SL2000F 35mm SLR Camera System (dealer suggested retail prices)" (PDF). Pacific Rim Camera, Reference Library. Rollei Fototechnik. Retrieved 21 April 2023.
  4. "Rolleiflex SL3003 (brochure)" (PDF). Pacific Rim Camera, Reference Library. Rollei Fototechnik. Retrieved 21 April 2023.
  5. "Voigtlander VSL operating manuals". M.Butkus. Rollei. Retrieved 2 May 2023.
  6. "Rolleiflex SL35 (dealer catalog)" (PDF). Pacific Rim Camera, Reference Library. Rollei Fototechnik. Retrieved 21 April 2023.
  7. "Lens Specification for 35mm SLRs" (PDF). Pacific Rim Camera, Reference Library. Rollei of America. September 1979. Retrieved 21 April 2023.

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