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Sigma

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Item Includes Description Features Specifications

Sigma 18mm - 50mm f/2.8 EX DC Macro Autofocus Zoom Lens for Olympus Four Thirds mount Digital SLR Cameras.

Mfr. Part: 581107     SKU: SG1850OM

Sigma 18mm - 50mm f/2.8 EX DC Macro Autofocus Zoom Lens for Olympus Four Thirds mount Digital SLR Cameras.
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Item Includes
Petal-type Lens Hood, Front & Rear Lens Caps, Pouch Case, 1 Year International Warranty plus 3 Year Sigma U.S.A. Extended Warranty (Total Warranty is 4 Years from Date of Purchase)

Description
· The Sigma Corporation is pleased to announce the launch of the new 18-50mm f/2.8 EX DC MACRO lens.

This lens has a large aperture of f/2.8 throughout the entire zoom range, a minimum focusing distance of 20cm (7.9..) and a maximum magnification of 1:3, making it ideal for close-up photography.

Specially designed to suit the characteristics of digital SLR cameras this lens provides a high level of optical performance. Its design incorporates both glass-mold and hybrid aspherical lens technology which offers extremely high image quality as well as a compact and lightweight construction. Minimal vignetting and superior peripheral brightness is ensured.

Special Low Dispersion (SLD) and Extraordinary Low Dispersion (ELD) glass elements provide excellent correction of color aberrations. The super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras. High image quality is assured throughout the entire zoom range. An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood (supplied) plus circular polarizing filters.

Features
Minimum focusing distance of 7.9 in.(20cm) with a maximum magnification of 1:3.
Aspherical lenses offer compact and lightweight construction.
SLD and ELD glasses offer excellent correction of color aberrations.
New optical design minimizes vignetting.

Specifications
Construction15 Elements in 13 Groups
Angle of view69.3°- 27.9°
F stop rangeF22
Closest Focusing Distance7.9" / 20cm
Maximum Magnification1:3
Filter Size72mm
Dimensions (Length x Diameter)85.8mm (3.4") x 79mm (3.1")
Weight450gr/ 16 oz
  
 
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