Sigma 105mm F2.8 EX Macro Lens for Canon SLR Cameras

The Sigma 105mm f/2.8 EX DG Macro Lens offers high performance medium telephoto macro lens optimized for digital cameras.

The Sigma 105mm Macro 105mm f/2.8 EX DG allows greater working distance between the lens and subject. High contrast and excellent image quality are made possible in all shooting ranges. This macro lens is ideal for digital SLR cameras as well as film SLR cameras.

Reduces flare and ghost - This new medium telephoto macro lens employs a new design concept for digital SLR cameras. Its new lens power layout produces an excellent optical performance and also reduces flare and ghost. This new lens is designed to reduce the influence of harmful light caused by reflections from the digital image sensor.

An easy to use 105mm medium telephoto lens - MACRO 105mm f/2.8 EX DG lens is very suitable for taking pictures in nature and it enables to use of natural light conditions or flash. The greater working distance of this lens is very advantageous when taking the picture of a flower among the branches or an insect. You do not shake your subject when you want to take its precise details without blurring by using a tripod. The narrow angle of view is a great aid for simplifying backgrounds and shallow depth of field makes it easier to handle the composition. This lens would have an equivalent field of view of a 178mm telephoto macro lens on a digital SLR camera (when used with the SD10).

Minimum aperture of f/45 - Depth of field of medium telephoto macro lenses is generally very shallow; however, Sigma, Canon and Konica Minolta mounts of this lens have a minimum aperture of f/45 (or f/32 for Nikon and Pentax mounts) for incredible depth of field.

Screw-in lens hood - A screw-in hood is included, for convenient use of circular polarizing filters. It is possible to attach an 77

Amazon.com Product Description
The Sigma 105mm F2.8 EX macro lens gives you superb, distortion-free images across the entire focal range, from infinity telephoto to 1:1 (life-size) macro. You can get as close as 12.3 inches to your subject--without accessories--making this an ideal lens for shooting nature photography. The "focus free" mechanical design lets the lens focus automatically without any interference from the manual focus ring, making it easier to hold the lens without affecting the speed or other normal operations of the autofocus feature. The nonrotating front lens group makes it easy to work with polarizing filters. This model is dedicated to Canon AF SLR cameras.