Sigma DC 18-50mm f/2.8 EX
Brand & mount
- Autofocus lens
- Brand: Sigma
- Mount type: crop
- Type: zoom
Sigma DC 18-50mm f/2.8 EX is a fast autofocus zoom lens for half-frame SLR system.
Equivalent focal length is 27.9...77.5 mm. The optical scheme comprises 15 elements in 13 groups (2As+1SLD). Thanks to minimum aperture ratio of f/2.8 enables shooting in low lighting conditions without a tripod or a flash. Thanks to the 7-bladed aperture, the subjects located outside the depth of field are shown with very smooth features.
This lens has a size of 81 mm. This is a normal size, very convenient in everyday use. This lens weighs 445 grams, given the weight of the camera, it may deliver long wearing problems. The lens is suitable for shooting near objects. Mounting the filter has a common size. Lens fit for low light conditions. Sigma DC 18-50mm f/2.8 EX went on sale in 2004. Currently out of production (2006) and is no longer available.
May be available from: Amazon.com,
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