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Mamiya Sekor SX 100 mm f/ 2.8 Auto Lens

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Mamiya Sekor SX 100 mm f/ 2.8 Auto  lens

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, M42

Optical design: 5 elements in 4 groups

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Average price:


Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
100mmf/2.8f/22 1.252270/9,5

Additional information:


The Mamiya Sekor SX 100mm f/2.8 Auto is a portrait prime lens for 35 mm M42 screw mount SLR cameras.

The 2nd lens in the SX series was released for Mamiya MSX/DSX cameras. The lens could come under the brand name of Sears, as well.

Additional information:

  • Angle of view - 5°
  • Max. magnification 1:9.1
  • Maximum diameter - 138 mm

Links to online resources:
Posted by: Liliom   Date of publication: 21.12.2012

Mechanical quality4.003
Optical quality4.003
Pricing / Value3.333
Overall lens rating

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