Sigma APO 150-500mm f/5-6.3 DG OS HSM lens

APO 150-500mm F5-6.3 DG OS HSM[1]
Maker Sigma
Technical data
Type Super-telephoto zoom
Focus drive Ultrasonic motor
Focal length 150-500mm
Crop factor 1.0
Aperture (max/min) f/5-6.3-f/22
Close focus distance 220cm
Max. magnification 1:5.2
Diaphragm blades 9
Construction 21 elements / 15 groups
Features
Short back focus  No
Lens-based stabilization  Yes
Macro capable  No
Physical
Max. length 252mm
Diameter 94.7mm
Weight 1780g
Filter diameter 86mm
Retail info
MSRP $1450 USD

The Sigma APO 150-500mm F5-6.3 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumer level photographers, and is available in Nikon, Canon, Pentax and Sigma camera mounts.

Technical information

The optical construction consists of 21 lens elements divided into 15 groups. The 9-bladed diaphragm begins at f/5 when shooting wide open, progressing towards f/6.3 at 500mm. As expected with similar long telephoto zoom lenses, optical quality drops off at the extremes of the telephoto range.

Autofocus is achieved using a moderately fast hypersonic motor for quiet operation. Additionally, all focus elements are internal so in operation the front element does not rotate or extend during focusing, which is useful when a polarizing filter is employed.

Recall

In 2010, Sigma recalled some lenses due to a "potential autofocus defect". Sigma offered customers a modification service, free of charge. Lenses requiring the modification were those with serial numbers between 10674301 and 10972000. Sigma lenses APO 50-500mm F4.5-6.3 DG OS HSM and APO 120-400mm F4.5-5.6 DG OS HSM were also affected.[2]

See also

References

  1. ↑ APO 150-500mm F5-6.3 DG OS HSM/APO 150-500mm F5-6.3 DG HSM
  2. ↑ http://www.dpreview.com/news/2010/6/16/sigmatelephotonotice
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