Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Lens - Canon Mount

by Sigma
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Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Lens - Canon Mount
Circular fisheye auto-focus lens.

Specifications

Focal length: 4.5
Maximum aperture: 2.8
Lens Construction : 13 Elements in 9 Groups
Angle of View : 180 degrees
Number of Diaphragm Blades : 6 Blades
Minimum Aperture : 22
Minimum Focusing Distance : 13.5cm/5.3 in.
Maximum Magnification : 1:6
Filter : Insertion-type gelatin filter into rear of the lens
Dimensions (D x L): 76.2mm x 77.8mm (3.0 in. x 3.1 in.)
Weight : 470g (16.6 oz.)

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