Sigma 70-200mm f/2.8 EX DG APO OS HSM Price & Specs

• SA-Mount Lens/Full-Frame Format
• Aperture Range: f/2.8 to f/22
• Two FLD Elements, Three SLD Elements
• Multi-Layer Coating
• Hyper Sonic Motor AF System
• Internal Focus Design
• OS Image Stabilization
• Removable, Rotating Tripod Collar
• Rounded 9-Blade Diaphragm

Renowned for its versatility, the Sigma SA-mount APO 70-200mm f/2.8 EX DG OS HSM from Sigma is a telephoto zoom lens covering a useful portrait-length to medium telephoto range. Characterized by its bright f/2.8 constant maximum aperture, this lens excels in difficult lighting conditions and also affords flexible depth of field control for isolating focus. Featuring an apochromatic designation, this lens's optical design employs a series of low dispersion elements to virtually eliminate chromatic aberrations and color fringing for high clarity and color accuracy. A multi-layer coating is also used to control ghosting and flare for improved contrast when working in bright and backlit conditions.

Balancing the optics, a Hyper Sonic Motor affords quick and quiet autofocus performance while an Optical Stabilizer minimizes the appearance of camera shake for sharper handheld shooting. Additionally, a removable, rotating tripod collar is included to better support working with the lens atop a tripod or monopod.

• Telephoto zoom is designed for Sigma SA-mount cameras, and when used with APS-C models, it provides a 105-300mm equivalent focal length range.
• Constant f/2.8 maximum aperture is well-suited for working in low-light conditions and also provides greater control over the focus position when using shallow depth of field techniques.
• Apochromatic optical design utilizes two F Low Dispersion (FLD) elements and three Special Low Dispersion (SLD) elements to significantly reduce color fringing and chromatic aberrations for increased clarity and color fidelity.
• Multi-layer coating has been applied to individual elements to minimize flare and ghosting for improved contrast and color accuracy when working in strong lighting 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.
• 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.
• A removable, rotating tripod collar offers well-balanced support for photographing atop a tripod or monopod with either vertical or horizontal shooting orientations.
• Compatible with optional APO 1.4x EX DG and APO 2x EX DG teleconverters.