Mamiya/Sekor 400mm f/6.3

Brand & mount

  • Manual focus
  • Brand: Mamiya
  • Mount type: Full frame
  • Type: prime


Mamiya/Sekor 400mm f/6.3 is a manual focus prime lens for SLR cameras.

The optical scheme comprises 3 elements in 3 groups.

This lens weighs 935 grams, given the weight of the camera, it may deliver long wearing problems. Minimum focusing distance 9 m is only for shooting distant objects. Mounting the filter has a common size.

May be available from:,,,

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Sample photos with Mamiya/Sekor 400mm f/6.3 (


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