CanonNews / Thursday, January 31, 2019 / Categories: Canon Patents Canon Patent Application: Another mention of the Canon RF 24-70 2.8 Buried deep in this patent application that appears to be about the 28-70mm 2.0, is an embodiment for the 24-70 2.8. Canon has stated that the 2.8 trinity is coming, possibly as early as this year so seeing patent applications with the 24-70 2.8 should be no great surprise. focal length 24.69 37.63 67.88 F-number 2.91 2.91 2.91 Half angle of view (degree) 41.23 29.90 17.68 Image height 21.64 21.64 21.64 Lens total length 139.21 150.29 171.74 BF 13.49 22.31 35.10 Japan Patent Application 2019015956 Additional information about Canon cameras in certification Canon Patent Application: New High speed shutter Print 3417 Please enable JavaScript to view the comments powered by Disqus.blog comments powered by Disqus