Japan Patent Application 2018-180203 shows off some optical formulas for superzooms with both EF and RF mounts. EF mount optical formulas included in this patent: EF Read more...
canonrumors.com2018-11-17 17:14
Japan Patent Application 2018-180203 shows off some optical formulas for superzooms with both EF and RF mounts. EF mount optical formulas included in this patent: EF Read more...
canonrumors.com