Sigma 180mm f/3.5 EX DG IF HSM APO Macro

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Lens Specifications
Name Sigma APO Macro 180mm f/3.5 EX DG IF HSM
Image Circle 35mm
Type Telephoto Prime Macro
Focal Length 180mm
APS Equivalent 1.5x: 270mm; 1.6x: 288mm
Max Aperture f/3.5
Min Aperture f/32
Diaphragm Blades 9
Lens Construction 13 elements in 10 groups, including 2 SLD elements
Diagonal Angle of View(Based on image circle) 13.7 degrees
Focus Details Internal with focus limiter; HSM with full-time manual focus override
Front Element Rotation No
Zoom System n/a
Closest Focus 46cm / 18.1 in.
Magnification Ratio 1.0x / 1:1
Filter Size 72mm
Dimensions(Length x Diameter) 182mm x 80mm/ 7.2 in. x 3.1 in.
Weight 965g / 34.0 oz
Notes Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Typical Online Price US$689.00