Ricoh filed a patent for a 100-300mm f/2.8-4 SR full-frame mirrorless lens

By admin | Published: October 17, 2021


A few days ago Ricoh filed a patent application in Japan for several full-frame mirrorless telephoto lenses:

  • 70-300mm f/4.5-5.6
  • 100-400mm f/4.5-5.6
  • 100-300mm f/2.8-4

A month ago another Ricoh patent also described sumular mirrorless lenses:

  • 70-400mm
  • 70-300mm
  • The third 150-600mm lens described in the patent is for DSLR cameras (equipped with image stabilization)

No related posts.

This entry was posted in Patents, Pentax mirrorless camera 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