The Specs

Physical Specifications
Dimensions 2.32" Length x 2.97" Diameter
Weight 15.17 oz
More Info
URL http://www.sigma-photo.com
Additional Specifications
Brand Name Sigma
Lens Construction 7 Elements in 7 Groups
normalized-Weight 15.17
Optics
Filter Size Supported 62 mm
Min Focal Length 30 mm
Quick Glance
Lens Type Wide Angle
Max Aperture f/ 1.4
Compatible Camera Mount Pentax SLR Cameras
Max Focal Length 30 mm

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