Tamron's SP AF17-50mm F/2.8 XR Di II VC LD Aspherical (IF) is a high-speed, wide-to-moderate-telephoto zoom lens designed for Nikon digital SLR cameras with smaller sensors. It covers the very popular 17-50mm focal length range (equivalent to 26-78mm in the full-frame 35mm format) making it extremely versatile. Tamron's Vibration Compensation (VC) mechanism minimizes the effects of handheld camera shake (up to 4-stops) , providing a means to great low-light shooting. Focal Length: 17 - 50 mmMaximum Aperture: f/2.8Minimum Aperture: f/32Camera Mount Type: Nikon FFormat Compatibility: Nikon DX / FX in DX Crop ModeAngle of View: 78 - 31Minimum Focus Distance: 11.4" (28.96 cm) Magnification: 0.20xMaximum Reproduction Ratio: 1:4.8Groups/Elements: 14/19Diaphragm Blades: 7Image Stabilization: YesAutofocus: YesTripod Collar: NoFilter Thread: 72 mmDimensions (DxL) : 3.13 x 3.7" (7.95 x 9.40 cm) Weight: 1.25 lb (570 g) Model: AFB005NII-700
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