Maintenance Report

Lens mount base design for OLYMPUS film SLR cameras Part 2 !



at first

I’m sorry

Because we can’t speak english

I am using DeepL translate, so it may be a strange sentence,

but I would like you to understand

Thank you

In this issue, we will look at the lens mount base design of a manual focus film SLR camera released in 1979 by OLYMPUS.

OLYMPUS OM10 (Reference product)

The lens mount for this body is an OM mount.
The mount base is designed to descend from the inner surface of the eye-level viewfinder to the outer diameter of the lens mount at a slight angle from the straight line, and then again at a gradual angle down toward the extension of the initial starting point.

The mount base is black in color and thick and solid.

The lens mount is secured with three screws. The underside of the mount base has a diagonally cut design.

In this issue, we introduced the lens mount base for the OLYMPUS manual focus SLR camera released in 1979.

Compared to the OM-1 lens mount base introduced in the previous issue, the base design is simple and clean with no other features.

The lens mount is the unchanged OM mount, so the basic design comes unchanged.


I will continue to write columns on various lens mount base designs of film SLR cameras and other areas of interest, so please look forward to them!

Thank you again for reading this column.

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Writer Takashi Okumura