Opticallimits

e.g. Sony FE 14mm f/1.8 GM
https://opticexplorer.sharedigm.com/#sea...ony%2014mm

Yeah, so interesting. I browsed through a dozen different lenses, and it was pretty captivating.

Detailed specs for lenses are publicly available or is it reverse-engineering?

Also wondering, can we try making our own lens designs there? :-)