Maintenance Report

Lens Design Part 4!



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.

I wrote earlier about the vintage lenses in the

In the focus ring design series

I have made some new discoveries, which I will share

with you in this column.

As always.

I will comparison using two lenses sell by our company Vintage Shop Japan.

Canon FD 135mm f/2.5 S.C.

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Canon’s focusing ring design is

The base is square and the four sides are

The design is triangular toward the top.

Minolta New MD ZOOM 35-70mm f/3.5

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I’ve written about Minolta’s focus ring design in a previous column.

I wrote about it in my column.

This time, I would like to introduce a different lens.

Minolta’s Pinto lens design is also

Like Canon’s, it has a

The base is square and the four sides are

triangular toward the top.

Both Canon and Minolta.

I thought they had the same design, and when I took a closer look

I found a difference!

There was a difference in the length of the top apex.

The difference was as shown in the following image.

You have to look closely to

I was able to discover the difference.

It may just be self-satisfaction.

I have learned that there are many different designs

for the focusing ring

The differences in design from one manufacturer to another.

If I can discover more, I would like to write a column about them.

In addition to the products mentioned above, we also sell

vintage cameras and lenses.

Please visit the following URL.

Cameras & Lenses

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Animation Goods

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Acoustics and others

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Vintage Shop Japan Inc. Official Website

Official website (English) URL

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Official website (Japanese) URL

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facebook URL

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Instagram URL

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Pinterest URL

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Writer Takashi Okumura