Richard CanonNews / Thursday, April 5, 2018 / Categories: Canon Patents Canon Patent Application new method of creating a circular aperture By using different shaped blades and a different aperture mechanism, Canon looks to create circular apertures at any f-stop without increasing the number of mechanical parts to do so. This would be kind of nice to have, except some may not like what it does to sunstars. Canon Japan Patent Application 2018-054925 Previous Article Canon Patent Application for fast full frame primes Next Article Canon Patent Application - 10mm 2.8 APS-C BR and 35mm 1.4 BR Print 7495 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