Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)

Zoom lens | Canon EF, Pentax KAF, Sony Alpha, Nikon F (DX)
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Product description

The Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) is a good value fast standard zoom lens for APS-C cameras, offering a constant aperture of F2.8 and covering an effective focal length range of 26-75mm. Optical construction comprises 16 elements in 13 groups, and at its minimum focus distance the 17-50mm gives a maximum reproduction ratio of 1:4.5 - not 'true' macro, but usefully close nonetheless. Tamron also makes a newer image-stabilised version of this lens for Canon and Nikon cameras.

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Quick specs
Lens type Zoom lens
Focal length 17–50 mm
Image stab. No
Lens mount Canon EF, Pentax KAF, Sony Alpha, Nikon F (DX)
Max aperture F2.8
Min aperture F32.0
Min focus 0.27 m (10.63)
Max magnification 0.22×
Weight 430 g (0.95 lb)
Length 82 mm (3.22)

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