Patent: Canon 3.6-255mm F2.8-7 w/ Built-in Extender for PowerShot
An interesting lens patent for a PowerShot camera has appeared, in the form of a Canon 3. 6-255mm F2. 8-7 lens with a built-in extender that can make the lens 2000mm f/10 when converted to 35mm. Patent publication number 2016-212210 (Google translated) Release date 2016. canonrumors.com »