Re: Focal length
Don't know much about Hubble focusing, but I do know a bit about other lenses, and it seems to me that focusing on a satellite a thousand miles away and focusing on a star both pretty much come under "infinity."
Space/Science » in reply to Re: A carefully worded statement.
Don't know much about Hubble focusing, but I do know a bit about other lenses, and it seems to me that focusing on a satellite a thousand miles away and focusing on a star both pretty much come under "infinity."