Sigma 105mm F/2.8 EX DG OS HSM Macro Lens For Canon EF

High performance, large aperture medium telephoto macro lens with OS (Optical Stabilizer).SLD glass provides good control of aberration and the floating inner focus system ensures high rendering throughout the focusing range. By using SIGMAs APO Tele Converter, it is possible to take photos at greater than 1:1 magnification. HSM ensures a quiet and high speed AF as well as full-time manual focus override. This lens has a rounded 9 blades diaphragm which creates an attractive blur to the out of focus areas.

Telephoto prime is designed for full-frame Canon EF-mount cameras, however it is also suitable for APS-C models where it will provide a 168mm equivalent focal length.Bright f/2.8 maximum aperture is well-suited for working in available light conditions and also provides greater control over the focus position when using shallow depth of field techniques.Ideal for macro shooting, this lens offers a life-size 1:1 maximum magnification along with a minimum focusing distance of 1' to suit working with close-up subjects.Two Special Low Dispersion (SLD) elements help to significantly reduce color fringing and chromatic aberrations for increased clarity and color fidelity.A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.Hyper Sonic Motor (HSM), along with an internal focusing design, realizes quick and quiet autofocus performance as well as full-time manual focus override.Floating elements system helps to maintain consistent image quality throughout the entire focusing range.Optical Stabilizer system minimizes the appearance of camera shake to benefit making sharper imagery when shooting handheld.Rounded nine-blade diaphragm contributes to a pleasing bokeh quality.Compatible with optional APO 1.4x EX DG and APO 2x EX DG teleconverters.