根据最新行业消息，佳能或将调整其超远摄变焦镜头的产品策略，放弃此前传闻已久的RF 200-500mm f/4L IS USM开发计划，转而推出更具市场针对性的RF 300-600mm f/5.6L IS ...

The RF 400mm weighs 2840g while the RF 600mm weighs 3050g. While lighter than their predecessors, they are still heavy for ...

the Nikon Z 600mm f4 TC VR S and Canon RF 600mm f4 L IS USM sit at $15,499.95 / £14,899 and $12,999.00 / £14,179.99 respectively, with the Sony FE 600mm f4 OSS G Master costs $12,999.99 / £11,999.