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Canon’s big white telephoto lenses are widely respected for their quality and performance, I can’t argue with many of the world’s most demanding professional sports and wildlife photographers.

佳能 EF-S 10-22mm F/3.5-4.5 USM 镜头专为APS-C尺寸EOS数码单镜头反光相机设计开发的超广角变焦镜头，相当于16-35mm的视角，有两种3片非球面镜片和一片超级超低色散镜片，整个变焦范围内保持优异的成像质量，采 佳能 EF 14mm f/2.8L USM 镜头是L系列镜头中最广角及焦距最 ...

RF 800mm f/5.6 L IS USM还配备了高性能的环形USM马达，实现高速、高精度的自动对焦，让摄影师不错过任何一个精彩瞬间。无论是野生动物摄影、体育赛事还是星空拍摄，这款镜头都能带来出色的表现。

Canon’s response with this RF 200-800mm f/6.3-9 IS USM is very positive, although we will have to wait to see how good this response is in time when we get to review it fully.

A short telephoto focal length, combined with a large maximum aperture and fast autofocus speed, make the EF 85mm f/1.8 USM an ideal optic for any photographer shooting portraiture.