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Sigma

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Item Includes Description Features Specifications

Sigma 50mm f/2.8 EX DG Auto Focus Macro Lens for Pentax AF Cameras

Mfr. Part: 346109     SKU: SG5028DPXAF

Sigma 50mm f/2.8 EX DG Auto Focus Macro Lens for Pentax AF Cameras
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Item Includes
Petal-type Lens Hood, Front & Rear Lens Caps, 4-Year USA Warranty, 1-Year International Warranty
Description
Optimized image quality for Digital SLR cameras. Floating Internal Focusing (FIF) system minimizes the aberration in entire focusing range. Super Multi Layer (SML) coating reduces the ghost caused by reflections from the surface of digital image sensors. Minimum aperture of F/32 provides greater depth of field A screw-in hood for convenient use of circular polarizing filters

MACRO 50mm F2.8 EX DG incorporates the very latest optical technology and is an ideal standard lens for digital SLR cameras. The new advanced lens design corrects various aberrations. This macro lens is specially coated to get the best color balance whilst cutting down ghost caused by reflections from the digital image sensor. This lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras.

The new MACRO 50mm F2.8 EX DG incorporates a "Floating Internal Focusing" (FIF) system which enables this lens to photograph objects precisely not only at life-size reproduction but also at infinity. The lens has a minimum focusing distance of 18.9cm (7.4 in) and is capable of true macro photography with a maximum magnification of 1:1. Experience the enjoyment of real life-size macro photography. This lens is equipped with a "Focus Limiter Switch" that limits the auto focus range, allowing the camera focus more quickly. A screw-in hood is included, for convenient use of circular polarizing filters. It is also possible to attach a 72mm filter in front of the lens hood.
Specifications
Construction10 Elements in 9 Groups
Angle of view46.8°
F stop range32
Closest Focusing Distance18.8cm / 7.4"
Maximum Magnification1:1
Filter Size55mm
Dimensions (Length x Diameter)64mm x 71.4mm / 2.5 x 2.8"
Weight315g / 11.5 oz.
  
 
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