Richard CanonNews / Thursday, January 17, 2019 / Categories: Canon Patents Canon Patent Application: Cini Zoom lens Have you ever wondered with CINI lenses from Canon and other manufacturers cost so much and are so big? Here's a good patent application to illustrate just how complex these lenses are. This is a patent application for a zoom CINI lens, for either 25-125 2.8 or a 19-90 4.0 with an extremely complex element design. Focal distance 25.00 125.00 F number 2.90 2.90 Field angle 31.88 7.09 Image height 15.55 15.55 Whole length of the lens 426.91 426.91 BF 50.00 50.00 Focal distance 19.00 90.00 F number 4.00 4.00 Field angle 39.30 9.80 Image height 15.55 15.55 Whole length of the lens 223.01 223.01 BF 44.99 44.99 Japan Patent Application 2019-008088 Previous Article Canon Patent Application: Diffractive Optics 500 and 600mm Super Telephotos Next Article Canon Patent Application: Canon researching anti-static coatings for Canon RF lenses Print 4251 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