The Sigma Corporation is pleased to announce the launch of the new 18-50mm F2.8 EX DC MACRO lens.
Sigma Press Release
This lens has a large aperture of F2.8 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 superior peripheral brightness, extremely high image quality as well as a compact and lightweight construction. 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.
· Minimum focusing distance of 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.
THE SPECIFICATIONS (Sigma mount)
Focal Length : 18-50mm
Minimum Aperture : F22
Lens Construction : 15 Elements in 13 Groups
Angle of View : 69.3°-27.9°
Number of Diaphragm Blades : 7pcs
Minimum Focusing Distance : 20cm (7.9”)
Maximum Magnification : 1:3
Filter Size : 72mm
Lens Hood : Petal–type Hood
Dimensions : Diameter 79mm (3.1in”)X Length 85.8mm (3.4”)
Weight : 450gr /15.9oz
SIGMA DG UV 72mm : 00-85126-92374-7
SIGMA DG WIDE CIRCULAR PL 72 mm : 00-85126-92385-3
LENS HOOD LH780-04 : 00-85126-92362-4
SIGMA AF : 00-85126-58156-5
CANON AF : 00-85126-58154-1
NIKON AF : 00-85126-58159-6
SONY AF : 00-85126-58134-3
PENTAX AF : 00-85126-58160-2
FOUR THIRDS AF : 00-85126-58158-9
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