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: Canon RF 70-300
Sooner or later Canon will have to fill out the lens lineup for the RF mount, that also includes telephoto zooms. A common telephoto zoom is the 70-300 and in this patent application, we find a 70-300 4-5.6 which is a consumer zoom, for the RF mount.
Focal Length 71.92 131.60 292.27
F-Number 4.00 4.79 5.83
Angle of view 16.74 9.34 4.23
Image Height 21.64 21.64 21.64
Lens length 170.68 207.64 241
BF 8.32 56.52 69.89
US Patent Application 20190025560
blog comments powered by