Manufacturer’s Description

The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are made beautiful with the natural out-of-focus effect characteristic provided by the fast F/2.8 aperture. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure. The lens boasts one of the best close-up shooting performances in the class of fast standard zoom lenses designed exclusively for digital cameras and featuring an F/2.8 maximum aperture throughout the entire zoom range, to ensure stress-free photographic shots at all focal lengths and distances.

The Specs

Physical Specifications
Length 3.2 in
Dimensions 3.20" Length x 2.90" Diameter
Diameter 2.9 in
Weight 15.20 oz
Other Features
Included Components Lens Hood
Warranty
Warranty Information 6 Year Limited Warranty
More Info
URL http://www.tamron.com
Additional Specifications
Maximum Aperture 2.8 1/f
Brand Name Tamron
Digital Format Yes
Max Aperture at Min Focal Length F/2.8
Minimum Aperture 32 1/f
Lens Construction 16 Elements in 13 Groups
normalized-Weight 15.20
Min Aperture Value F/32
Angle of View 31? to 79?
Optics
Minimum Angle of View 31
Maximum Angle of View 79
Filter Size Supported 67 mm
Min Focus Distance 10.6 in
Min Focal Length 17 mm
Quick Glance
Lens Type Zoom
Max Aperture f/ 2.8 (Wide)
Compatible Camera Mount Nikon Digital SLR Cameras
Max Focal Length 50 mm
Min Aperture f/ 32

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