Optimal aperture position?

Started 2 months ago | Discussions thread
OP E Dinkla Senior Member • Posts: 1,842
Re: Optimal aperture position?

Without grasping all, this PDF was a nice introduction to a Triplet design as well:

https://www.willbell.com/tm/ChapterB.3.pdf

Met vriendelijke groet, Ernst
No photographer's gear list is complete without the printer mentioned !

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