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Maintenance Report

Lens Design Part 5!

column

lens

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


It has become a regular part of the
Lens Design Series.
of vintage lenses
I found a new discovery in the focusing ring series
I would like to write about it here.


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


Asahi Pentax Super Multi Coated TAKUMAR 35mm f/3.5

Click here for product URL

Click here to see the column of cleaning work


Asahi Pentax’s focusing ring design is

Because the material is hard like die-cast

The design is machined.


It is cut in one direction.



Here is the other lens.


Minolta AUTO ROKKOR-PF 55mm f/1.8

Click here for product URL

Click here to see the column of cleaning work


Minolta lenses are also

The material of the focus ring is

It looks like it is made of die-cast material.



Asahi Pentax and Minolta

They look the same, but if you look closely, you can see the differences.

The design of the cut and the number of corners of

the slit were different.


Vintage Lenses.

If you look at the design of a vintage lens

you will find various discoveries.

I will write about my discoveries as soon as I find them.


In addition to the products mentioned above, we also sell

vintage cameras and lenses.

Please visit the following URL.


Cameras & Lenses

Click here for URL

Animation Goods

Click here for URL

Acoustics and others

Click here for URL


Vintage Shop Japan Inc. Official Website

Official website (English) URL

Click here for URL

Official website (Japanese) URL

Click here for URL


facebook URL

Click here for URL

Instagram URL

Click here for URL

Pinterest URL

Click here for URL


Writer Takashi Okumura



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