Sigma 70-300mm APO DG F4-5.6 Macro Lens For Sony: Sigma 70-300mm APO DG F4-5.6 Macro Lens is designed for use with Sony and Minolta DSLR cameras. It is a compact Apochromatic autofocus tele zoom lens incorporating two Special Low Dispersion glass elements in the front lens group, plus one Special Low Dispersion glass element in the rear lens group, to minimize chromatic aberration. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor.
This Tele-Macro Zoom lens is capable of focusing down to 1:2 (half life-size) reproduction ratio at 300mm focal length with superb optical quality. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm. The improved DG lens design corrects for various aberrations. The lens materials used in this product are lead and arsenic free ecological glass.
Features: Sigma 70-300mm APO DG F4-5.6 Macro Lens For Sony
Designed for use with Sony DSLR cameras
Employs 3-SLD Lens Elements for Correction of Chromatic Aberrations
Maximum Magnification (1:2) at 300mm Focal Length
Special Low Dispersion Glass Element in the Rear Lens
Compact Apochromatic Auto Fcus Tele-zoom Lens Incorporating 2 SLD Glass
Specially Coated to Get the Best Color Balance Whilst Cutting Down on Ghosting
Specifications: Sigma 70-300mm APO DG F4-5.6 Macro Lens For Sony
Focal Length: 70 - 300mm
Aperture: Maximum: f/4 - 5.6
Minimum: f/22 - 32
Camera Mount Type: Sony Alpha
Format Compatibility: 35mm Film / Full-Frame Digital Sensor