Canon has patented a rather unusual product: a variable, zoomable 1. 0x-1. 5x-2. 0x teleconverter that changes by moving a lever. Based on the design, it’s likely that a lens like the RF 100-500mm would be compatible with it.
The teleconverter is described in the patent as such: An adapter device attachable/detachable between a lens device and a […]. petapixel.com
2020-12-12 19:42