Sigma 50-500mm f/4-6.3 DG lens

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APO 50-500mm f/4-6.3 EX DG HSM[1]
Maker Sigma
Technical data
Type Telephoto zoom
Focal length 50-500mm
Crop factor 1.0
Aperture (max/min) f/4-6.3-f/22
Close focus distance 100-300cm
Max. magnification 1:5.2
Diaphragm blades 9
Construction 20 elements / 16 groups
Short back focus No No
Ultrasonic motor Yes Yes
Lens-based stabilization No No
Macro capable No No
Max. length 218.5mm
Diameter 95mm
Weight 1840g
Filter diameter 86mm
Retail info
MSRP $1059.00 USD

The Sigma 50-500mm f/4-6.3 EX DG HSM is a super-telephoto zoom lens produced by Sigma Corporation. It is commonly known as the "Bigma" because of its long and heavy body. It contains four SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumers.


The Bigma was originally released by Sigma in 2001. Over the years, it has gone through several iterations and improvements. This includes the 2006 DG model which is optimized for digital cameras. In 2010, Sigma added built-in optical stabilization (OS) to the Bigma.

See also[edit]


  1. ^ High Magnification Zoom Lens with a 10x zoom ratio. Optimized for digital SLR cameras. APO 50-500mm f/4-6.3 EX DG HSM