An upgrade to its predecessor, the 18-50mm F2.8-4.5 DC OS HSM is a lens dedicated to digital SLR cameras with APS-C size image sensors offering a large aperture and Sigma's Optical Stabilization. Once again, Sigma has also engineered the built-in OS function, an anti-shake system, for Sony and Pentax mount allowing the photographer to see a stabilized image in the viewfinder.
|Min Focal Length||18 mm|
|Min Focus Distance||11.81"|
|Filter Size Supported||67 mm|
|Angle of View||27.9 to 69.3 Degrees|
|Lens Construction||16 Elements in 12 Groups|
|Max Aperture at Max Focal Length||f/4.5|
|Max Aperture at Min Focal Length||f/2.8|
|Min Aperture Value||f/22|
|Max Focal Length||50 mm|
|Max Aperture||f/ 2.8 (Wide)|f/ 4.5 (Tele)|
|Compatible Camera Mount||Canon Digital SLR Cameras|
|Included Components||Lens Hood|
|Warranty Information||1 Year Limited Warranty|
|Dimensions||3.49" Length x 2.91" Diameter|
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