This DIY 90mm f/2.8 Petzval lens looks like it came straight off the production line
We’ve shown a few DIY lenses in the past, including a 3D printed lens. This one, though, really takes it to the extreme. Based on a Petzval design, Swedish camera maker Mats Wernersson built the lens completely from scratch. But looking at the final product, you’d never know it. It looks like it came straight from a […]
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