Maintenance Report

Lens mount base design for YASHICA film SLR cameras!



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 Yashica’s 1978 manual focus film SLR camera.

YASHICA FRⅡ (Reference product)

The YASHICA FR II is based on the CONTAX RTS, which was released through technical cooperation between YASHICA and Carl Zeiss.

The lens mount on this body is a YASHICA CONTAX mount.
The mount base is designed to face the outer edge of the lens mount at a gentle angle from the eye-level finder and then back to the underside at the same angle.

The lens mount is held in place with four screws.
The front of the lens mount base is made of steel, and the base attached to the camera body is made of plastic. A push button is provided for removing the mounted lens.

The corner surface of the lens mount base has a smooth curve.

We have introduced a lens mount base for a YASHICA manual focus SLR camera released in 1978.

It has a good design with straight lines and smooth curves.

The design of the lens mount base of the camera body is not mentioned by name in the instruction manual and is considered part of the camera body, but I think it is a very important part of the camera body.

I am very interested in the design of the lens mount base, which is taken for granted.


I will continue to write columns on the lens mount base design 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