Aperture Value Control with Old Lens.
Using the lens aperture ring at F1.4 ~ F16 recorded the changes in the depth of field.

I used Nikon lens to EOS body.
This adapter is made by Kindai International Japan.

It's not quite the same as mine, but you find the one that looks like here.
Search keyword is "nikon to eos body"

bhphotovideo.com/
adorama.com/

Search keyword is "nikon to eos body"

The video of how to use mount adapter is here.(Don't worry about the comment is Japanese. Because it is not so important. )
watchme.tv/group/?gid=77&mid=49ca11219d4192ba6f36a4540ed5fac5

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