William Optics Redcat 51 APO 250mm f/4.9 telephoto full-frame lens for Pentax



There is a new crowdfunding project for a Redcat 250mm f/4.9 telephoto full-frame lens by William Optics on Kickstarter. The lens is available also for Pentax cameras and it is described as “The world’s sharpest 250mm telephoto lens ever made for full frame cameras, at Apochromatic specification.

See also the related posts in the Nikon D850 Facebook group.

Additional information:




Via PhotoRumors

This entry was posted in Pentax lenses and tagged . Bookmark the permalink. Trackbacks are closed, but you can post a comment.
  • FCC disclosure statement: this post may contain affiliate links or promotions that do not cost readers anything but help keep this website alive. Thanks for your support!