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Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens f/ Olympus Four Thirds System

BH #SI5014OL • MFR #310-107
Sigma
Sigma Normal 50mm f/1.4 EX DG HSM Autofocus Lens f/ Olympus Four Thirds System
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Sigma 310-107 Overview

The Sigma 50mm f/1.4 EX DG HSM Autofocus Lens is a bright, 50mm standard lens with a large f/1.4 maximum aperture.  Upon Olympus and other Four Thirds system digital SLR cameras, it is an ideal portrait lens-in 35mm camera terms, this is like a 100mm lens with a 20° x 13° field of view.  Its large aperture allows for sharply-defined, contrasty images against nicely blurred backgrounds, and because it is originally designed for 'full-frame' 35mm cameras it produces superior peripheral brightness at all apertures on the 4/3 system.

Sigma's DG lens design corrects for various aberrations, specially coated to get the best color balance while cutting down on ghosting caused by reflections from the digital image sensor.  The lens provides the utmost correction against lateral chromatic aberration, a serious problem for digital SLR cameras.

This lens also incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focus override.

Outstanding medium telephoto lens for portraiture work upon 4/3rds cameras
EX Lens series denotes excellence of engineering and new technology
Molded glass aspherical lens element helps correct coma distortion
Super multi-layer lens coating reduces flare and ghosting
Silent, responsive high speed Hyper Sonic Motor provides full time manual focus override
Rounded 9-bladed aperture diaphragm creates pleasing, circular out-of-focus highlights

Sigma 310-107 Specs

Lens MountFour Thirds
Angle of View46.8°
Minimum Focus Distance1.48' / 45.11 cm
Close-Up Magnification0.13x
Optical Design8 Elements in 6 Groups
Diaphragm Blades9
Dimensions (ø x L)3.3 x 2.7" / 8.38 x 6.86 cm

Sigma 310-107 Reviews

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