Sigma 135-400mm f/4.5-5.6 DG APO

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Lens Specifications
Name Sigma APO 135-400mm f/4.5-5.6 DG
Image Circle 35mm
Type Telephoto Zoom
Focal Length 135 - 400mm
APS Equivalent 1.5x: 202.5 - 600mm; 1.6x: 216 - 640mm
Max Aperture f/4.5 - 5.6
Min Aperture f/32
Diaphragm Blades 9
Lens Construction 13 elements in 11 groups, including 1 aspherical and 3 SLD elements
Diagonal Angle of View(Based on image circle) 18.2 to 6.2 degrees
Focus Details Internal
Front Element Rotation No
Zoom System Rotary
Closest Focus 200cm / 78.7 in.
Magnification Ratio 0.19x / 1:5.3
Filter Size 77mm
Dimensions(Length x Diameter) 183.5mm x 88.5mm / 7.2 in. x 3.4 in.
Weight 1245g / 43.9 oz
Notes Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds
Typical Online Price US$539.00