RSK Master Anastigmat 75/3.5

Japanese enlarger lens made by Rikagaku Seiki.

Weight 115 g
Dimensions 75 mm
Focal Length (mm)

Max Aperture (f)

Min Aperture (f)

Aperture Blades


Flange-Focal Distance (mm @ ∞)

RF/L Extension (mm)

Rear Mount


  1. 16:9

    “It is a very stately lens barrel. Axial chromatic aberration and spherical aberration are noticeable when the aperture is wide open, but it is quite excellent when the aperture is stopped down to 1: 5.6 or higher.” – Shisan12

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