SR obviously works!

Just messing about with my K-5 @ ISO 12800, Sigma 70-300 f/4-5.6 APO (@250mm) with a 2x teleconverter (Teleplus MC7 KAX) handheld at 1/15 sec. (fairly well braced).

The EXIF indicates 600mm as this is what I set (the converter is only a 6 contact KA). I've done nothing to the raw image apart from reduce the vertical size to 800 pixels.



Madeira Wine by John Halliwell, on Flickr

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It doesn't look sharp to me, was this the last bottle

To be honest I think more people will be impressed with the ISO performance, that's really good for 12800.

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My Names Alan, and I'm a lensaholic.
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It may not be tack sharp but I would like to see anyone shoot as good @ 500mm 1/15th without IS of some description.

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Nothing to see here, move along please ....

As Mike said, 1/15 @ 600mm is impressive (with or without IS) !

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http://frogfish.smugmug.com/ Pentax. Pentax DA*300/4, Cosina 55/1.2, Lens Baby Composer Pro & Edge 80, AFA x1.7, Metz 50 af1.
Nikon. D800. D600. Sigma 500/4.5, Nikon 300/2.8 VRII, Sigma 120-300/2.8, Zeiss Distagon ZF2 21/2.8, Zeiss Distagon ZF2 35/2.0, Sigma 50/1.4, Nikkor 85/1.8, Nikon TC20EIII, Nikon TC14EII, Kenko x1.4, Sigma 2.0

Impressive indeed.

SR can be seen to be working while looking through Live view. just switch it off and you'll immediately see the difference.

the only caveat with SR is the time it takes to kick in.

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Bodies: 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
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Thanks for the comments. There are a few variables which are likely to affect the sharpness. The lens isn't a top quality zoom, the teleconverter will reduce the quality and the high ISO doesn't help.

I decided to have another go, this time with a Tamron 500mm f/8 mirror, again at 1/15th handheld (well braced) at ISO 12800:


Madeira Wine #2 by John Halliwell, on Flickr

And a close up of some detail:


Madeira Wine #2 detail by John Halliwell, on Flickr

John.

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PPG Flickr

Ha !

But ... 500mm, 1/15th handheld at ISO 12800

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http://frogfish.smugmug.com/ Pentax. Pentax DA*300/4, Cosina 55/1.2, Lens Baby Composer Pro & Edge 80, AFA x1.7, Metz 50 af1.
Nikon. D800. D600. Sigma 500/4.5, Nikon 300/2.8 VRII, Sigma 120-300/2.8, Zeiss Distagon ZF2 21/2.8, Zeiss Distagon ZF2 35/2.0, Sigma 50/1.4, Nikkor 85/1.8, Nikon TC20EIII, Nikon TC14EII, Kenko x1.4, Sigma 2.0