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Sigma EX - Zoom lens - 28 mm - 70 mm - f/2.8 DG - Canon EF (549101)

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Sigma EX - Zoom lens - 28 mm - 70 mm - f/2.8 DG - Canon EF

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Sigma EX - Zoom lens - 28 mm - 70 mm - f/2.8 DG - Canon EF
  • MacMall Part #: 7668673 
  • Manufacturer Part #: 549101 
  • UPC: 0085126549275 
  • Platform: Universal 

This compact, large and constant F2.8 aperture zoom lens and is ideal for digital SLR cameras. Two SLD elements and four aspherical lenses provide the ultimate correction against distortion as well as all types of aberration, especially spherical aberration. Its advanced optical design ensures high performance throughout the entire zoom range.The use of aspherical lenses in the construction of this lens not only corrects aberrations but also produces a very small and lightweight lens design. Its compact, yet robust, construction has an overall length of 87.2mm (3.4in.), maximum diameter of 74mm (2.9in.), filter size of diameter 67mm and weight of 510g(18.0 ounces).

Technical Specs

Length 3.4 in - 4.4 in
Diameter 2.9 in
Weight 17.99 oz
Lens System
Type Zoom lens
Special Functions Zoom
Intended For 35mm SLR, digital SLR
Focal Length 28 mm - 70 mm
Lens Aperture F/2.8
Optical Zoom 2.5 x
Magnification 1 / 4.4
Min Focus Distance 13 in
Focus Adjustment Automatic, manual
Zoom Adjustment Manual
Max View Angle 75.4 degrees
Min View Angle 34.3 degrees
Lens Construction 12 groups / 14 elements
Filter Size 67 mm
Diaphragm Blades 9
Lens Coating Multicoated
Mounting Type Canon EF
Features Internal focusing system, aspherical lens, zoom lock switch, SLD (Special Low Dispersion) glass
Included Accessories Lens hood, dust cap, lens cap
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Sigma EX - Zoom lens - 28 mm - 70 mm - f/2.8 DG - Canon EF (549101)

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