New EF 70-200mm Lenses Provide Improved Performance and Results Canon has two new workhorse 70-200mm lenses in the L series collection for full frame cameras, and photographers can choose the lens ...

在长焦摄影中，若想同时兼顾不俗的成像素质与小巧的镜头体积，70-200mm F4可以说是最合适的选择了。佳能在今年为我们带来了新款便携长焦镜头——EF 70-200mm f/4L IS II USM，近日这款镜头来到了我们的评测室，赶快来了解一下。 在具体测试开始之前，笔者先简单 ...

今天为大家带来期待已久的佳能RF70-200mm F4 L IS USM这枚RF卡口小三元镜头评测。这枚镜头最大的特点就是超小巧的体积设计，镜头收纳长度只有约119mm，重量只有约695g，是一枚真正意义上的轻量化镜头。但是镜头画质一点不含糊，特别是镜头解析力，完全不输给 ...

高性能的L系列远摄变焦镜头。由于设计的最大光圈是f/4，所以它的体积更小，重量更轻。内对焦系统和环形超声波马达，令 ...

作为一款历时十二年才更新的镜头，此次佳能EF 70-200mm f/4L IS II USM带来的变化还是很多的。在此我们重点来介绍一下这支镜头和其前一代产品的区别。佳能EF 70-200mm f/4L IS II USM的尺寸为约Φ80×176mm，重量为780g，而佳能EF 70-200mm f/4L IS USM的尺寸为约Φ76×172mm，重量为 ...

The Canon EF 100-400mm f/4.5-5.6L IS II USM is a new professional telephoto zoom lens for full-frame DSLR cameras. Is this the perfect do-it-all super-telephoto zoom lens for wildlife and sports ...

We've just tried out the new 50-megapixel Canon EOS 5Ds with the Canon EF 70-200mm f/4L USM lens at a local bike race. Conditions were poor - a tree-lined circuit, overcast skies, 8pm in the evening - ...

70-200mm lenses are one of the most sought-after choices in any range of lenses, but full frame f/2.8 models do have the drawback of being big and heavy, as well as expensive. The option of a lower ...

一直以来，尼康的恒定光圈中长焦镜头都只有F2.8光圈这一规格，很多用户都期待尼康能像佳能那样，把70-200mm这一焦段的镜头分成两条产品线，一条是走恒定F2.8高性能方向，一条是走F4轻便方向。而尼康也回应了用户的需求，推出了AF-S 70-200mm f/4G ED VR，不过与 ...