The AF-S DX Zoom-Nikkor 18-70mm provides a wide-angle to mid-telephoto zoom range in the DX Nikkor series. Designed specifically for use with Nikon digital cameras that feature the smaller DX size chip, this lens features ED (Extra-low Dispersion) glass and Nikon's exclusive built-in SWM (Silent Wave Motor).
The lens is targeted at professional and advanced amateur Nikon D-SLR users who demand both the advantages of high optical performance and ultra-wideangle focal range.
This G-type Nikkor lens is designed with no aperture rings, and offers easier, virtually mistake-free operation because the aperture does not need to be set to minimum. Equivalent focal length in 35mm terms is 27-105mm.
Note: DX lenses are NOT recommended for use with 35mm, digital "full-frame" FX, or APS SLR cameras
Truly a revolutionary product, the Sigma 18-35mm 1.8 DC HSM is the first wide-angle to standard zoom lens to achieve a large aperture of 1.8. Designed specifically for APS-C sized sensors, the Sigma 18-35mm 1.8 translates to 27mm-52.5mm on 35mm camera. Tapping into Sigma’s long history of lens innovations, the 18-35mm 1.8 DC HSM incorporates a wide glass molded aspherical lens with Special Low Dispersion (SLD) glass to compensate for aberrations and curvature at the widest angle. Internal focusing and zooming allows for more usability and functionality. The 18-35mm is ideal for landscape photography, portrait photography, still life photography, snap shots, casual photography, and close-ups and the Hyper Sonic Motor (HSM) ensures smooth, fast and accurate autofocusing. The use of Thermally Composite Material (TSC) reduces size and weight but increases accuracy of the lens construction. Its new Global Vision design works features compatibility with the Sigma USB dock for further customization. A 9 blade rounded diaphragm also creates beautiful background blur. The Sigma 18-35mm 1.8 DC HSM is a new benchmark in photographic history and a must have for every camera bag.
* The appearance, specifications, and the like of the product are subject to change for improvement without notice.
The focal length changes the angle of view in an image. The longer the focal length, the smaller the angle of view and the greater the magnification.
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