At 15mm, central sharpness is outstanding at f/2.8 and f/4, excellent from f/5.6 to f/16 and very good at f/22. The edges are very good at f/2.8, excellent from f/4 to f8, very good at f/11 and f ...

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短的镜头。镜头的第2组为非球面镜，用以矫正扭曲变形及色散，以达至最高的影像质素。镜头附有固定式花瓣型遮光罩和镜头后部设明胶滤光镜架。 佳能 EF 1.4X II 增倍镜 安装于135mm或更长焦距镜头或EF 70 ...

In summary, the Canon EF 400mm f/2.8L IS III USM lens is a superb performer. You can view additional images in the Equipment Database, where you can add your own review, photos and product ratings.

The RF 1200mm F8 L IS USM is the most powerful super-telephoto lens in the Canon RF lens line ... enhanced focal lengths of 1,680mm and 2,400mm, respectively.

(From Tamron lens literature) The optical system of the new SP AF 14mm F/2.8 Aspherical (IF) lens, composed of 14 elements in 12 groups, includes two Hybrid Aspherical lens elements. These large ...

Canon continues to command a huge market share ... That said, the EOS R5 Mark II won’t be the right fit for everyone – even pros who don't need its speedier performance resulting from its ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

The R5 Mark II is available as a body only for photographers who already own a compatible Canon RF lens or would simply like to choose their own glass, or in a kit with the RF 24-105mm F4 L IS USM ...

Whichever model you go for the filter has an ‘ultra-thin’ frame that is just 6mm deep (4mm when mounted), so we’re glad to ...

据了解，全系车型将配备2.0T涡轮增压发动机以及自研的8AT变速箱。 外观设计上，奇瑞瑞虎8L展现出了极具前卫感的造型。大尺寸的中网融入点阵式进 ...

全新奇瑞瑞虎8L震撼上市，共推出5款车型供选择，价格区间为12.99万至17.49万。相较于预售时期，现售价已经下调了近2万元，且在限时优惠期内购买 ...