783 Why are Lenses Round?

On this quick-fire question and answer episode, Andy wonders why lenses are round and Chris talks about how lenses are made and how the round shape makes most sense. John has a LR workflow question and Mark is curious about digital medium format. Chris goes into detail on why medium format isn’t clearly defined and on the differences between film medium format and digital medium format.

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Photo tours with Chris Marquardt:
» May 2017: Svalbard — Arctic (sold out)
» Oct 2017: Bhutan — The Happiness Kingdom (only 1 spot open)
» Jan 2018: Ladakh — Chadar Trek
» Aug 2018: Ireland — Giant's Causeway
» Sep 2018: Norway — Lofoten Fantastic Fjords
» Oct 2018: Morocco
» all photo tours