Distances are usually treated as infinity, at least in astrophotography. I'd be ...

oh_sigh on July 6, 2019 | parent | context | favorite | on: Goodbye Aberration: Physicist Solves 2,000-Year-Ol...

Distances are usually treated as infinity, at least in astrophotography. I'd be surprised if this secondary lens was able to distinguish between light coming from 1ly and 1000ly

magicalhippo on July 6, 2019 [–]

Doh, of course. Not sure what I was thinking.