Tuesday, January 27, 2009

Sigma 18-250mm F3.5-6.3 to be Offered with in-Lens Stabilisation in Pentax Mount

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by Miserere

Sigma will release its new 18-250mm F3.5-6.3 lens on March 10, 2009. After the success of the Tamron and Pentax 18-250mm lenses, Sigma will have a tough time catching up. Or maybe not. It seems Sigma have an ace up their sleeve, as according to PopPhoto the Pentax and Sony mounts of the lens will offer the same in-lens optical stabilisation that up until now they only offered on the Canon, Nikon and Sigma mounts. It will also feature HSM focusing.

With all these goodies it looks like it will be a serious contender in the super-zoom market, especially for Pentax users.

As it's not currently possible for both stabilisation systems to work in synchronicity (that would require extra communication between the lens and body, and new firmware for the camera), I assume it will be up to the user to decide when they want to use Pentax's in-body SR (e.g., focal lengths below 100mm) and when Sigma's in-lens OS (e.g., focal lengths above 100mm). I hope this becomes a trend for Sigma, as it gives us Pentaxians further advantage over brands with non-stabilised camera bodies.
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