Richard CanonNews / Thursday, September 27, 2018 / Categories: Canon Patents Canon Patent Application: Canon EF 17-70mm Canon has applied for a patent for a Canon EF 17-70 3.5-5.6 consumer zoom. Focal Length 17.40 35.00 67.98 F-Number 3.23 4.10 5.85 Image Height 21.64 21.64 21.64 BF 38.38 53.37 84.83 US Patent Application 20180275370 In another similar patent application, Canon has applied for a full frame EF 16-60mm 3-5-6.3 consumer zoom Focal Length 16.30 24.10 58.00 F-Number 3.59 3.94 6.37 Image Height 21.64 21.64 21.64 BF 38.42 45.65 83.75 US Patent Application 20180275382 Previous Article Canon Patent Application: Stacked sensor global shutter Next Article Canon Patent Application: Another EF-M 15-45 Print 6164 Leave a comment Name: Please enter a name. Email: Please enter an email address. Please enter a valid email address. Comment: Please enter comment. I agree This form collects your name, email, IP address and content so that we can keep track of the comments placed on the website. For more info check our Privacy Policy and Terms Of Use where you will get more info on where, how and why we store your data. You must read and accept this rules. Add comment