As I’d expect from a modern teleconverter, especially at this price, the GF 1.4x enables full electronic communication between the main lens and the camera body. As such, autofocus, metering and ...

Canon Extender RF 1.4x: Photo Performance I tested the Canon Extender RF 1.4x with a Canon EOS R6 Mark II camera body and top-spec Canon RF 400mm F2.8L IS USM lens. Teleconverters are somewhat ...

Sure, the cameras can be as hefty as full-frame ... What's more, the 200mm F/2.8 comes with a 1.4x teleconverter that extends focal length to a 560mm equivalent, so, in some ways, you're getting ...