Manufacturer’s Description

This ultra-telephoto lens has a fast maximum aperture, and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras. Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.

The Specs

Physical Specifications
Dimensions 13.78" Length x 4.84" Diameter
Weight 6.94 lbs
More Info
URL http://www.sigma-photo.com
Additional Specifications
Brand Name Sigma
Lens Construction 12 Elements in 9 Groups
normalized-Weight 111.04
Optics
Filter Size Supported 46 mm
Min Focus Distance 13.12 ft
Min Focal Length 500 mm
Quick Glance
Lens Type Super Telephoto
Max Aperture f/ 4.5
Compatible Camera Mount Pentax AF SLR Cameras
Max Focal Length 500 mm

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