Lens categories for all major standards
For our three new lines, Sigma develops lenses optimized for 35mm full-frame, APS-C,
and mirrorless interchangeable lens cameras.
SIGMA DC LENS*1 *2
High-performance lenses for cameras with APS-C sensors
These lenses are designed especially for cameras with APS-C sensors. The smaller image
size makes possible a compact, lightweight format that offers outstanding flexibility and
maneuverability.
SIGMA DG LENS
High-performance lenses for cameras with full-frame sensors
Designed to deliver the ultimate in performance on cameras with full-frame sensors,
these lenses also bring out the best from APS-C sensor cameras.
SIGMA DN LENS*2
High-performance lenses for mirrorless interchangeable lens cameras
These lenses are designed for exceptional performance on mirrorless interchangeable lens
cameras with a short flange back distance.
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*1: DC lenses have an image circle that covers APS-C size image sensors. Not for use on digital cameras
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having image sensors larger than APS-C size or on 35mm or APS film cameras, as vignetting will occur.
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*2: To find the 35mm camera-equivalent focal length, multiply the DC lens focal length by the crop factor
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(digital multiplier) of 1.5, 1.6, or 1.7, depending on the brand of DSLR camera on which the lens will be
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used. To find which DC lens is equivalent to a full-frame lens, divide the focal length of the full frame
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lens by the same crop factor.