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Sigma has come through and announced 3 lenses for PMA. I like the direction here from Sigma. It looks like 2 entry level lenses with OS and a constant aperture ultra wide angle.
Sigma 10-20 f/3.5 EX DC HSM
Sigma has announced an ultra-wide angle zoom, the 10-20mm F3.5 EX DC HSM. This new design squeezes a relatively fast F3.5 constant maximum aperture into a body about 10% larger in each dimension than the company’s popular 10-20mm F4-5.6 EX DC HSM. The lens has a minimum focus distance of 24 cm (9.4 inches) throughout the zoom range, and features two Super-Low Dispersion glass and two Extraordinary-Low Dispersion glass elements for the correction of chromatic aberrations. It is designed for cameras with APS-C/DX sensors, and will be available in mounts for Sigma, Canon, Nikon, Sony and Pentax DSLRs.
Sigma 18-50 f/2.8-4.5 DC OS HSM
Sigma has unveiled a new large aperture image-stabilized standard zoom, in the shape of the 18-50mm F2.8-4.5 DC OS HSM. This lens features a new Optical Stabilization unit which Sigma claims will work on Sony and Pentax bodies with in-body stabilization systems. It also boasts a larger maximum aperture than the kit zooms typically supplied with most DSLRs, and incorporates Sigma’s Hypersonic motor for fast silent autofocus. Designed for DSLRs with APS-C/DX sized image sensors, it will be available in Sigma, Canon, Nikon, Sony and Pentax mounts.
Sigma 50-200 f/4-5.6 DC OS HSM
Sigma has released an image-stabilized version of its budget telezoom lens, the 50-200mm F4-5.6 DC OS HSM. ThisÃ‚Â features the same new optical stabilization unit as seen on the 18-50mm F2.8-4.5 EX DC HSM also announced today, which is compatible with Pentax and Sony bodies with in-body anti-shake systems. The new lens also includes a number of user-friendly features rarely seen at this level, including aÃ‚Â hypersonic motor for fast, silent autofocus, and an internal-focusing design with a non-rotating frontÃ‚Â element. It will be available in mounts for Sigma, Canon, Nikon, Sony and Pentax DSLRs, and is designed for cameras with APS-C/DX sized sensors only.
Images from DPR