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04-15-2009, 09:03 PM   #1
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seriously considering this... Sigma 18-250 HSM OS for Pentax

Gives you the option of both in body SR as well as in lens OS, plus it's HSM (e.g. SDM) which I am addicted to now.


Product Description
The SIGMA 18-250mm F3.5-6.3 DC OS HSM incorporates Sigma's original anti-shake compensation function, with a 13.8 times zoom ratio. For the camera have anti-shake function in the camera body, this lens's Hybrid Optical Stabilizer provide not only anti-shake function for the camera body compensation, but also provide the function to compensate the image shaking in the view finder of the camera like anti-shake compensation built in the lens. Incorporating four Special Low Dispersion glass elements and three Aspherical lens elements provides excellent image quality throughout the entire zoom range. This lens has a minimum focusing distance of 45cm (17.7 inches) at all focal lengths and a maximum magnification of 1: 3.4 reproduction ratio, making it ideal for close-up photography. An inner focusing system eliminates front lens rotation, making it suitable for use with circular polarizing filters and the supplied petal-type hood. Incorporating super multi layer coating reduce the ghost in the backlight photography.

Product Description
The Sigma 18-250mm f3.5-6.3 DC OS HSM lens incorporates Sigma's original anti-shake compensation function, with a 13.8 times zoom ratio. For cameras that have anti-shake function in the camera body, this lens's Hybrid Optical Stabilizer provides not only anti-shake function for the camera body compensation, but also the function to compensate the image shaking in the view finder. Incorporating four Special Low Dispersion glass elements and three Aspherical lens elements provides excellent image quality throughout the entire zoom range. This lens has a minimum focusing distance of 17.7 inches (45cm) at all focal lengths and a maximum magnification of 1:3.4 reproduction ratio, making it ideal for close-up photography. An inner focusing system also eliminates front lens rotation, making it suitable for use with circular polarizing filters and the supplied petal-type hood. The super multi layer coating helps to reduce the ghost in the backlight photography.

When the heck is it going to be available??? Amazon is selling it but the footnote says "Usually ships within 1 to 3 months."
Amazon.com: Sigma 18-250mm f/3.5-6.3 DC OS HSM IF Lens for Pentax Digital SLR Cameras: Electronics

04-16-2009, 07:11 AM   #2
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1-3 months shipping. Sounds like the Pony Express is making a comeback.
04-16-2009, 07:15 AM   #3
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You'll love Sigma's OS. I tried it out in a 150-500mm and I'm actually able to frame pictures at the long end rather than shooting and hoping to get something with good composition.
04-16-2009, 08:27 AM   #4
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880109 Sigma 18mm - 250mm f/3.5-6.3 DC OS (Optical Stabilizer) HSM Autofocus Aspherical Zoom Lens for Pentax Digital SLR Cameras
same price, no 3 month wait.

04-20-2009, 08:55 AM   #5
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im considering to get it too. but will OS work with pentax internal OS?

will HSM work?

its less then $100 difference between tamron and sigma so deff consideration. but im waiting for reviews
04-21-2009, 12:34 PM   #6
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how do you think the image quality is compared to the Tamron and Pentax

Dave
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