Manufacturer’s Description

Digitally Integrated Design, is a designation Tamron puts on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras. This lens employs an IF (Internal Focusing) system that maintains the overall length of the lens during focusing. Uses two LD (Low Dispersion) glass elements that effectively compensate for chromatic aberration. Provides high-contrast, outstanding image quality and a soft out-of-focus background effect. Incorporates an AF/MF one touch switchover mechanism built into the focus ring(for Canon & Nikon only). Super performance series provides high performance through outstanding design specifications.

The Specs

Physical Specifications
Length 6.5 in
Dimensions 6.52" Length x 3.34" Diameter
Diameter 3.3 in
Weight 2.03 lbs
Other Features
Included Components Case|Lens Hood
Warranty
Warranty Information 6 Year Limited Warranty
More Info
URL http://www.tamron.com
Additional Specifications
Maximum Aperture 3.5 1/f
Brand Name Tamron
Digital Format Yes
Lens Construction 14 Elements in 11 Groups
normalized-Weight 32.48
Frequency Band Diaphragm Blades: 7
Product Model B01
Angle of View 14?
Optics
Maximum Angle of View 14
Filter Size Supported 72 mm
Min Focus Distance 18.4 in
Min Focal Length 180 mm
Quick Glance
Lens Type Macro
Max Aperture f/ 3.5
Compatible Camera Mount Nikon-D Mount
Max Focal Length 180 mm

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