BEST DSLR STANDARD ZOOM LENS
This updated version of a versatile, constant aperture zoom has a new optical composition that includes 17 elements in 12 groups, including 4 glass-moulded (GMo) aspherical lenses that yield excellent resolving power as well as increase peripheral brightness for enhanced edge-to-edge performance. Highly resistant to dust and water, the lens incorporates an image stabilizer with up to a 4-stop advantage and a 10-bladed circular diaphragm for outstanding bokeh effects. AF is highly responsive due to inner focusing, a ring USM (ultrasonic motor), a high-speed CPU and optimized AF algorithms. Air Sphere Coating aids in the significant reduction of ghosting and flare.
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