Specs
A valuable and practical asset for everyday photographers and enthusiasts, Nikon’s newest lens features a 7.8x zoom range that helps capture beautiful images and HD video from a variety of focal lengths. Whether shooting portraits, landscapes, travel or architecture, the 18-140mm offering delivers astounding image quality when shooting wide-angle or far-away telephoto. Equipped with VR image stabilization, the lens also features four stops* of VR image stabilization, helping to ensure sharp photos and video even in low-light situations or while handheld.
The AF-S DX NIKKOR 18-140mm f/3.5-5.6G ED VR lens is built upon core NIKKOR technologies designed to render photos and HD video with the utmost clarity and color reproduction. Constructed with one ED glass element and one aspheric lens element, the 18-140mm lens sports a seven-blade diaphragm for natural image blur and a Silent Wave Motor (SVM) that provides quiet and precise AF operation. Additionally, photographers can operate the lens using one of two focus modes, M/A (AF with manual override) and M (manual) for complete control.
Sharpness at 18mm is outstanding in the centre of the frame at maximum aperture, and the clarity recorded towards the edges of the frame at this aperture is good. Stopping down improves sharpness towards the edges of the frame, falling just short of excellent levels at f/5.6.
At 140mm, sharpness is very good in the centre of the frame and good towards the edges of the frame at maximum aperture. Stopping down to f/8 produces outstanding sharpness in the centre of the frame with very good clarity towards the edges.
This lens is a competent performer, producing decent sharpness throughout its zoom range, with low falloff and CA.
http://www.ephotozine.com/article/nikon-nikkor-af-s-dx-18-140mm-f-3-5-5-6g-ed-vr-lens-review-23219
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