Description of Sigma Lens 70-300/f4-5.6 DG Macro for Canon
- Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 100 to 450mm with most cameras. Minimum focusing distance of 59 inches throughout the entire zoom range & a maximum magnification ratio of 1:2. Equipped with a switch that reduces the minimum focusing distance at 150mm to 95cm. SLD (Special Low Dispersion) glass elements provide optimum color correction & sharpness throughout the entire zoom range. A lens hood and front & rear lens caps are included with the lens.