Sigma 17-70mm F2.8-4.5 DC MACRO specs
Lens Construction: 15 Elements in 12 Groups
Angle of View: 72.4 - 20.2 degrees (Sigma SD format)
Number of Diaphragm Blades: 7 Blades
Minimum Aperture: F22
Minimum Focusing Distance: 20cm/7.9 in.
Maximum Magnification: 1:2.3
Filter Size: Diameter 72mm
Dimensions: Diameter 79mm X Length 82.5mm
3.1 in. X 3.2 in.
Weight: 455g/16.0 oz
Corresponding AF Mounts:
SIGMA,
CANON,
NIKON,
SONY/MINOLTA,
PENTAX
* Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
* The angle of view depends upon the digital camera being used.
If you are interested in using our specs commercially, check out our Camera Lenses specs database licensing page.
Filed in: Sigma Camera Lenses
Description: This lens has a minimum focusing distance of 7.9" (20cm) throughout the entire zoom range. Maximum magnification of 1:2.3 enables close-up photography like a macro lens. The new lens design and multi layer lens coating reduce flare and ghosting, which is a common problem with digital cameras. A Special Low Dispersion (SLD) lens and two aspherical lens elements provide excellent correction for all types of aberrations and produce... read more
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