Richard CanonNews / Monday, March 25, 2019 / 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: Canon RF 70-200 2.8L We know that a Canon RF 70-200 2.8 is coming, and one that is quite short for storage and features and extends as you zoom. This is another patent application that shows relatively the same size and features of the Canon RF 70-200 2.8 patent application we found back in January. The minimum length of this lens in the patent application is 172mm, which, when we subtract the flange distance of 20mm, we come up with an actual lens length of around 152mm. The Canon EF 70-200 2.8L III is 199mm in length, making this new RF lens around 47mm or nearly 2 inches shorter than its EF cousin. Focal length: 72.00 ~ 134.99 ~ 194.94 mm F number: 2.91 ~ 2.91 ~ 2.98 Angle of view: 16.73 ~ 9.11 ~ 6.33 Image height: 21.64 mm Lens length: 172.73 ~ 219.96 ~ 231.71 mm Back focus: 14.37 ~ 18.40 ~ 28.12 mm Japan Patent Application 2019-045555 Thanks hi-lows-notes 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 Previous Article Canon Patent Application: Quad Pixel Auto Focus sensor Next Article Canon Patent Application: Canon Mirrorless 8-15mm Fisheye Zoom Print Tags: Canon Patent ApplicationCanon RF lenses Please login or register to post comments.