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Sigma 17-70 / 2,8-4,5 DC Macro Details
Macro zoom lens - 17 mm - 70 mm - f/2.8-4.5 DC Macro - Canon EF
900 reviews
November, 2009
Sigma 17-70 / 2,8-4,5 DC Macro
Sigma 17-70 / 2,8-4,5 DC Macro Details
Brand
SIGMA (See all SIGMA Lenses & Filters)
Dimensions & Weight
Diameter
2.7in/3.1in
Length
2in/3in
Weight
16oz/8.3oz
Header
Manufacturer
SIGMA
Packaged Quantity
1
Product Line
Sigma/Sigma EX
Lens System
Focus Adjustment
Automatic / Manual
Intended For
35mm SLR/Digital SLR
Lens Aperture
F/2.8-4.5
Max Focal Length
70mm
Max View Angle
72.4degrees
Min Focal Length
17mm
Min Focus Range
7.9in
Optical Zoom
4
Special Functions
Macro / Zoom/Tele
System Type
Lens/Lens accessories
Type
Converter/Macro zoom lens/Zoom lens
Lens System Mounting
Mounting Type
Canon EF/Minolta A-type/Nikon D/Nikon F/Sigma SA
Optical System
Magnification
1 / 2.3/2.0
Manufacturer's Description
It can be used with wide variety of subjects and it is an ideal large aperture standard zoom lens for digital SLR cameras featuring APS-C size image sensor. 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 a high level of optical performance throughout the entire zoom range. This lens offers a large aperture of F2.8 at 17mm wide angle and yet it is compact, with an overall length of 82.5mm (3.2") and diameter 79mm (3.1"). It performs superbly even in relatively low light conditions indoors or at dusk. The lens design incorporates an inner focusing system, which ensures fast AF speed as well as prevents the front of the lens rotating, making it particularly suitable for use with circular polarizing filters and petal shaped lens hoods. This lens is also equipped with Zoom Lock Switch that eliminates "Zoom Creep" during transportation.
