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

By admin | Published: February 19, 2019



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

No related posts.

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. As an Amazon Associate, I earn from qualifying purchases. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Thanks for your support!

  • Back to top