The Specs

Optics
Minimum Angle of View 180 degrees
Min Focal Length 15 mm
Min Focus Distance 5.9 in
Maximum Angle of View 180 degrees
Additional Specifications
normalized-Weight 11.7
Quick Glance
Max Focal Length 15 mm
Lens Type Fisheye Lens
Max Aperture 2.8 1/f
Min Aperture 22 1/f
More Info
URL http://www.sigmaphoto.com/product/15mm-f28-ex-dg-diagonal-fisheye
Physical Specifications
Diameter 2.9 in
Weight 11.7 oz
Length 2.8 in

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