I gave it a try. What I came up with was a 6" F15 with BK7 singlet, one aspheric surface (control spherical). Its diffraction limited across a 20 Angstrom bandwidth at 5500 Angstroms.
Re: Single-Element "Apo" Lens For Moon?
Started by m87, 06/20/2006 11:56AM
Posted 06/20/2006 11:56AM
Opening Post
Funding Member
