Sigma 70mm F2.8 EX DG MACRO
Summmering* Special Low Dispersion (SLD) lens and two high refractive index SLD lenses provide excellent correction for all types of aberrations
Super multi-layer lens coating reduces flare and ghosting
* Floating focus system provides extremely high optical performance from infinity to 1:1 Macro
* Equivalent field of view to 105mm macro lens when used on a digital SLR camera with an APS-C size image sensor
Focal Length - 70mm
Lens Construction - 10 Elements in 9 Groups
Angle of View - 34.3 degrees
Number of Diaphragm Blades - 9 Blades
Minimum Aperture - F22
Minimum Focusing Distance - 25.7cm/10.1 in.
Maximum Magnification - 1:1
Filter Size Diameter - 62mm
Lens Hood - Screw-in Type
Dimensions Diameter - 76mm X Length 95mm
Weight - 525g / 18.5 oz.