Richard CanonNews / Monday, January 14, 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 24-70 2.8 In the category of, well, that's one we missed; Keith from northlight found the 24-70 2.8 patent application. so here we have the Canon RF 24-70 2.8 that was applied for at the same time as the 28-70 2.0, that completes the trinity of 2.8 zooms and patent applications. Focal Length: 24.69mm 37.63mm 67.88mm F-Number: 2.91 2.91 2.91 Half angle of view (degrees): 41.23 29.90 17.68 length of lens: 139.21mm 150.29mm 171.74mm Backfocus: 13.49mm 22.31mm 35.10mm The trinity of 2.8 zooms is supposed to come out this year (UWA, Standard and 70-200) as well as other lenses for the RF mount as Canon will quickly ramp up the lenses available for the camera mount. US Patent Application 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: Ultra Wide CINI EF Mount Zooms Next Article Canon Patent Application: Diffractive Optics 500 and 600mm Super Telephotos Print Tags: Canon Patent Application Please login or register to post comments.