Tamron 17-35mm f/2.8-4 Di OSD

 
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Lens Specifications
Name Tamron 17-35mm f/2.8-4 Di OSD (Model A037)
Image Circle 35mm
Type Wide Zoom
Focal Length 17 - 35mm
35mm Equivalent 1.5x: 25.5 - 52.5mm; 1.6x: 27.2 - 56mm
Max Aperture f/2.8 - 4
Min Aperture f/16 - 22
Diaphragm Blades 7 (circular)
Lens Construction 15 elements in 10 groups, including 4 LD (Low Dispersion) and 2 GM (Glass Molded) aspherical elements BBAR (Broad-Band Anti-Reflection) coating; Fluorine coating on front element
Diagonal Angle of View 103.7 to 63.4 degrees
Focus Details Internal via OSD (Optimized Silent Drive); AF/MF switch
Front Element Rotation No
Zoom System Rotary
Closest Focus 28cm / 11 in.
Magnification Ratio 0.2x / 1:4.9
Filter Size 77mm
Dimensions(Length x Diameter) 91.4mm x 83.2mm / 3.6 in. x 3.3 in. (Canon EF)
Weight 459g / 16.2 oz
Notes Available mounts: Canon EF, Nikon F; Moisture-resistant construction; Includes petal type lens hood.
Typical Online Price US$599 (Nikon F-mount availalable Sept. 2018, Canon EF-mount TBD)