Richard CanonNews / Thursday, July 5, 2018 / Categories: Canon Patents This post may contain affiliate links(s). An affiliate link means I may earn advertising/referral fees if you make a purchase through my link, without any additional cost to you. It helps to keep this site afloat. Thank you in advance for your support. If you like what we do here, maybe buy me a coffee. Canon Patent Application: TS-E 50mm 2.8L Macro Even though this lens is released, this patent application is clearly for the 50mm TS-E Macro with a very large 33mm image height (66mm diameter image circle). For those that love the TS-E 50mm, this patent application is for you. Infinite distance-0.5 time Focal distance 51.40 50.30 F number 2.88 4.0 a half field angle (degree) -- 33.20 33.20 Image height 33.63 33.63 Whole length of the lens 153.42 178.54 BF 55.96 81.07 Interestingly there was a second embodiment that Canon could have done for this lens, with a 1:1 Macro capability; Infinite distance-1.1 time Focal distance 51.40 50.98 F number 2.96 5.40 a half field angle (degree) -- 33.20 33.20 Image height 33.63 33.63 Whole length of the lens 162.94 214.15 BF 55.95 112.14 It also shows that Canon may release a lens before it's actual patent has processed through the patent offices. Japan Patent Application 2018-106141 Richard CanonNewsRichard CanonNews Richard has been using Canon cameras since the 1990s, with his first being the now legendary EOS-3. Since then, Richard has continued to use Canon cameras and now focuses mostly on infrared photography. Richard is the founder and editor of CanonNews since 2017, and has worked as a writer on CanonRumors and other websites in the past. Other posts by Richard CanonNews Contact author Facebook page Print Please login or register to post comments.