Page 2 of 2 FirstFirst 12
Results 11 to 12 of 12

Thread: Cheap lens for 16x20in

  1. 17-Dec-2011, 13:46 #11
    Łukasz Owsianka
    Łukasz Owsianka is offline
    Join Date
    Apr 2011
    Posts
    72

    Re: Cheap lens for 16x20in

    Quote Originally Posted by E. von Hoegh View Post
    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...
    Reply With Quote Reply With Quote
  2. 18-Dec-2011, 01:17 #12
    Łukasz Owsianka
    Łukasz Owsianka is offline
    Join Date
    Apr 2011
    Posts
    72

    Re: Cheap lens for 16x20in

    Or maybe periscope design... Do someone has got the knowledge how to do it and can help?
    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Similar Threads

  1. Lens design & glass types
    By IanG in forum Lenses & Lens Accessories
    Replies: 21
    Last Post: 31-Mar-2009, 17:20
  2. Cheap lens with huge coverage--does it exist?
    By BarryS in forum Lenses & Lens Accessories
    Replies: 19
    Last Post: 19-Apr-2008, 12:38
  3. Lens viewing angles
    By swmcl in forum Lenses & Lens Accessories
    Replies: 23
    Last Post: 6-Nov-2006, 14:01

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules