Tamron SP AF 70-200mm f/2.8 Di VC Nikon Telephoto Zoom Lens

Specifications Model: A009 Focal length: 70-200mm Maximum aperture: F/2.8 Angle of view (diagonal): 34'21- 12'21 (with full-size SLR cameras); 22'33- 7'59 (with APS-C sized sensor digital SLR cameras) Lens construction: 23 elements in 17 groups Minimum focus distance: 51.2 in (1.3m) Maximum magnification ratio: 1: 8 (at f=200mm: MFD 51.2") Filter size:'77mm Length: 7.4 in (188.3mm) Entire length: 7.7 in (196.7mm) The most compact lens in its class Minimum focus distance: 51.2 in (1.3m); Maximum magnification ratio: 1: 8 (at f=200mm: MFD 51.2), Focal Length 70-200 mm Fast F/2.8 aperture throughout the zoom range, Moisture-resistant construction helps prevent moisture from penetrating the lens New VC anti-shake mechanism with 4-stop advantage USD (Ultrasonic Silent Drive) for quick and quiet focusing. Internal Focusing (IF) System