Richard CanonNews / Thursday, June 21, 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: Soft focus lenses In this Canon patent application, Canon appears to be patenting a bunch of soft focus lens designs. In this patent, there is a variety of different controllable soft focus designs, including one that would be esoteric for mirrorless full frame. The embodiments; Embodiment 1 58mm 1.4 full frame EF Canon mount Focal Length 57.57 F-Number 1.43 Image Height 21.64 Total Lens Length 160.04 BF 40.43 Embodiment 2 35mm 1.8 full frame EF Canon mount Focal Length 33.75 F-Number 1.72 Image Height 21.64 Total Lens Length 132.93 BF 39.14 Embodiment 3 105mm 2.0 full frame EF Canon mount Focal 103.2 F-Number 2.17 Image Height 21.64 Total Lens Length 123.79 BF 42.2 Embodiment 4 70-200 F4 full frame BF of 25mm (not EF mount) Focal 72.21 - 194.06 F-Number 4.00 Image Height: 21.64 BF 25.98 US Patent Application 20180172964 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: Stacked Sensor Patent Next Article Canon Patent Application: Further developments in Hybrid IS systems Print Please login or register to post comments.