Nikon 17-55mm f2.8 G IF-ED AF-S DX Lens

The AF-S DX Zoom- Nikkor 17-55mm f/2.8 G IF-ED is a flexible, wide-angle zoom designed for general photography with a picture angle equivalent to 25.5-82.5mm in 135 format. The DX optical design enables a high 3.2 zoom ratio with a fast aperture of f/2.8, without sacrificing performance or handling. Incorporating three ED (Extra-low Dispersion) glass elements and three aspherical (for reduced distortion) elements in the 14-element, 10-group construction. Features:

·3.2x zoom covers from a wide angle of 79 degrees to a narrow angle of 28 degrees 50 minutes (equivalent to 25.5mm to 85.5mm for 35mm format) and is ideal for architecture, landscape, groups shots and portraits.

·DX design enables a combination of wider angle-of-view with optical characteristics that are optimized for Nikon digital SLR camera sensors

·Nikon DX design produces a smaller image circle (the size of the image that is projected by the lens on to the sensor) enabling smaller lens diameter, lighter weight and optimal image quality from center-to edge-to-corner on the image

·3 Extra-Low Dispersion (ED) glass elements for minimized chromatic aberration and provide higher resolution and superior contrast

·3 Aspherical lens elements for minimized distortion

·Lightweight and compact design: similar to 17-35mm f/2.8 lens

·Exclusive Silent Wave Motor enables ultra-high-speed autofocusing with exceptional accuracy and powerful super-quiet operation

·[M/A] and [M] modes allow rapid switching between AF and MF operation

·Internal Focusing (IF) design for smoother focusing and great body balance

·Nikon D-type design provides precise distance information for flash and ambient light exposure processes

·Rounded diaphragm to make out-of-focus elements appear more natural

·G Type DX Nikkor is designed exclusively for use with Nikon Digital SLR models Specifications:

·Focal Length: 17-55mm

·Maximum Aperture: f/2.8

·Picture Angle : 79 degrees 50 minutes- 28 degrees 50 minutes

·Lens Construction: 14 elements in 10 groups

·Lens Drive: Silent Wave Motor

·Extra Low Dispersion (ED) Lens: 3 Elements

·Aspherical Lens: 3 Elements All Glass

·Focusing Type: Internal Focus

·Minimum Shooting Distance: 14.2 in. to infinity

·Maximum Reproduction Ratio: 1:5 (0.20 at Tele)

·Minimum F Stop: 22

·Aperture Blade: 7 elements (Rounded)

·Lens Hood: HB-31

·Filter Size: 77mm

·Case: CL-1120 Soft Case

·Dimensions: Approx. 3.4 x 4.4 inches

·Weight: Approx. 26.6 oz.