这是一枚整个变焦区域内均为F2.8恒定最大光圈的，APS-C画幅EOS单反专用标准变焦镜头。搭载有手抖动补偿机构IS影像稳定器，效果最大相当于提高约3级快门速度。除了可在光量较少的黄昏时分或室内发挥威力，还可以展现大光圈镜头特有的虚化效果，适于抓拍 ...

专用于 Nikon DX Format 数码单镜反光相机，镜头轻巧，是 D2H 数码单镜反光相机的最佳拍挡。 焦距 17-55毫米，变焦距达 3 倍，拍摄范围由广角至中距远摄。光圈达 f/2.8，方便实用。安装于 Nikon D2H，D1-系列或 D100 数码单镜反光相机时，画角相当于 25.5 ~ 82.5毫米 变焦 35 ...

这是一枚整个变焦区域内均为F2.8恒定最大光圈的，APS-C画幅EOS单反专用标准变焦镜头。搭载有手抖动补偿机构IS影像稳定器，效果最大相当于提高约3级快门速度。除了可在光量较少的黄昏时分或室内发挥威力，还可以展现大光圈镜头特有的虚化效果，适于抓拍 ...

Since EF-S lenses only mount on Canon EF-S bodies - which all feature a 1.6x FOVCF - the 17-55mm focal length range always equates to the field of view of a 27.2-88mm lens mounted on a full-frame ...

I'm a Nikon D80 user, a novice (print) journalist shortly moving to Southeast Asia to work freelance, and I'm putting together the necessary kit. Though I'm not a photojournalist I do intend to do ...

【3月27日太平洋电脑网重庆站】如果您对大光圈镜头有着特别的喜好，又不想花太多银子在佳能的红圈镜头上，那么佳能 EF-S 17-55mm f/2.8 IS USM可以满足你的要求，小小奢侈一把的同时，在画质上也有不错的表现。目前该镜头的最新报价6900元。喜欢摄影的你不妨 ...

An optional lens hood, made exclusively for the EF-S 17-55mm f/2.8 IS USM, and pouch are available. In keeping with Canons Kyosei philosophy of living in harmony with the environment, the lens ...

"A professional DX Zoom Nikkor lens that combines a high ratio 3.2 focal length with SWM (Silent Wave Motor) and an f/2.8 aperture. With optics designed for the Nikon DX Format digital SLR cameras, ...

I was really excited about the Zhongyi Optics Mitakon 55mm f/2.8 1-5x Macro. Not only does Zhongyi (aka ZY Optics) make some of my favorite extreme lenses (such as the Mitakon Speedmaster 50mm f/0.95) ...

We may receive a commission on purchases made from links. Typically, camera lenses are essentially straight, rigid barrels full of glass – that's not the case with the tilt/shift lenses, such as the ...