Sigma AF 100-300mm f/4 APO EX IF

Brand & mount

  • Autofocus lens, USM
  • Brand: Sigma
  • Mount type: Full frame
  • Type: zoom


Sigma AF 100-300mm f/4 APO EX IF is a autofocus zoom lens with ultra-sonic motor for SLR cameras.

The optical scheme comprises 16 elements in 14 groups. Thanks to the 9-bladed aperture, the subjects located outside the depth of field are shown with very smooth features. Equipped with a silent ultrasonic motor providing fast and quiet autofocusing.

This lens has a size of 227 mm. The lens of this size it is difficult to carry. This lens weighs 1440 grams, given the weight of the camera, it may deliver long wearing problems. Is perfect for portraiture and plener photos. Sigma AF 100-300mm f/4 APO EX IF went on sale in 2001. Currently out of production (2005) and is no longer available.

May be available from:,,,

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Sample photos with Sigma AF 100-300mm f/4 APO EX IF (


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