Imaging recource: Do-it-yourself optics: Why buy a lens when you can build your own?

When sharing DIY photography projects we see on the web, we try to ensure that they strike a balance between utility, cost and achievability. This one from Mats Wernersson might not check that last box for most of us because he built his own Petzval-inspired 90mm f/2.8 lens, even machining the glass himself. So while surely not as easy to make as your own lightbox, for example, Wernersson’s project is too cool not to share. Wernersson started with a premade lens mount, diaphragm blades and helicoid, but fabricated the barrel and...
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