Sigma 85mm f14 EX DG Lens for Canon EF

This medium telephoto lens is designed to be compatible with both full 35mm frame APS C sized sensor digital SLR cameras. The inclusion of Super Low Dispersion glass keeps distortions to a minimum and the rounded 9 blade aperture ensures pleasingly soft out of focus areas.Optical ComponentsThe Sigma 85mm f1.4 EX lens uses a combination of a SLD Super Low Dispersion and Glass Mould elements to give excellent colour correction and sharpness right through the zoom range.Hyper Sonic MotorThe Hyper Sonic Motor HSM is included in this lens to make focusing fast, accurate and quiet. The rear focus on this lens system helps to eliminate aberrations caused by the focusing operation too.Flare ReductionThe Super Multi Layer Coating on the lens surfaces acts to greatly reduce flare and ghosting, while the supplied petal hood assists further to this end. This hood has an adapter to also make it a perfect optical fit when used with DSLRs having an APS C sized sensor.SpecificationsLens Construction 11 Elements in 8 GroupsAngle of View 28.6°Number of Diaphragm Blades 9 roundedMinimum Aperture f16Minimum Focus Distance 85cm 33.5Maximum Reproduction Ratio 18.6Equivalent Focal Length for APS C cameras 127.5mm