That would be infinity on any lens shorter than 393 miles in focal length.
GRIN!
--
Caveman wrote:
NASA sez it's at the 238,855 miles mark.
Ann Sanfedele wrote:
actually, I THink when you are using big glass it ISNT at infinity - but I know it
sounds odd.
-- graywolf http://graywolfphoto.com/graywolf.html