Dave Etchells at Imaging-Resources has posted a very interesting news item about the site's technical IS (image stabilization) testing, announcing both the I-R's first published IS test result (for the Canon 70–200mm ƒ/4 IS USM lens) and a white paper on its extensive testing methodologies (said to be for "ultra techies." I admit I haven't read all of it yet, being no sort of techie, much less an ultra one). Dave promises more IS tests results in weeks and months to come, calling his site's testing "the first...series of
comparative, quantitative IS tests performed using an open methodology
available anywhere on the 'net."
Here's a brief excerpt: "Having worked with roughly 25 different IS systems over the last two years of development, we've been a little surprised at just how wide a range of performance we've seen, and also at just how much difference the photographer makes in IS system effectiveness: Relatively steady and shaky shooters will often have rather different experiences with IS systems. For this reason, we measure performance with two very different shooters, and also indicate how they did relative to the standard '1 over the focal length' rule of thumb for a 'safe' shooting speed. This will let our readers determine where their experience with a given IS system might fall."
We'll be looking to I-R and SLRgear.com for more.
(Thanks to Eolake)