Sigma 18-250mm DC OS HSM for Sony and Pentax

Sigma has said that its 18-250mm F3.6-6.3 DC OS HSM superzoom lens is now available in mounts for Sony and Pentax SLRs. This lens incorporates a Hybrid Optical Stabilisation system, which can be used on bodies which have built-in anti-shake (the camera's stabiliser must however be switched off). It also has a hypersonic motor for fast and quiet autofocus, and a minimum focus distance of 45cm for close-up photography. The MSRP is $800 in the USA, and £559.99 in the UK.

Sigma: price and availability for 10-20mm F3.5 DC

Sigma has announced the price of the 10-20mm F3.5 EX DC HSM lens it announced in March 2009. The new lens, that will be sold in parallel to the older, variable aperture design, will cost £649.99. Sigma, Canon and Nikon versions will be available in July, with Pentax and Sony variants to follow in August.

Sigma issues DP2 firmware update

Sigma has posted a firmware update for its DP2 large-sensor digital compact camera. Version 1.01 improves auto focus and reduces the intermittent freezing of the camera that can occur under certain conditions. The update is available for immediate download from Sigma's website.

Sigma announces 10-20mm f3.5 EX DC HSM lens

PMA 2009: 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 releases 50-200mm f4-5.6 DC OS HSM lens

PMA 2009: Sigma has released an image-stabilized version of its budget telezoom lens, the 50-200mm F4-5.6 DC OS HSM. This  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 a  hypersonic motor for fast, silent autofocus, and an internal-focusing design with a non-rotating front  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.

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