Re: Cheap lens for 16x20in
Quote:
Originally Posted by
E. von Hoegh
You could take two achromats, say telescope achromats, and make your own Rapid Rectilinear. RRs perform well, you'd be able to make stellar contact prints.
Surplus Shed and Edmund Optical are two sources.
I was thinking about an aplanat design (Rapid Rectilinear) but I can not find any information how to do it...
Re: Cheap lens for 16x20in
Or maybe periscope design... Do someone has got the knowledge how to do it and can help?