根据国外消息指出，继RF 28-70mm F2.8 IS STM之后，Canon很快就会推出第二款非L镜的恒定大光圈变焦镜RF 70-200mm F2.8 IS STM？ Canon RF 28-70mm F2.8 IS ...

For the most part in the lens world, we have an increasing buffet of options for most lens mounts. An autofocus anamorphic ...