EF-S 10-18mm Image Stabilizer System

Eagle Eye

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Jul 5, 2011
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Just picked up a 10-18mm for my sister-in-law, who is getting ready to head to Europe. I noticed in the instruction manual that it says the image stabilizer only works on the EOS 7D and only at 18mm. I was not able to hear anything kicking in when I tested the lens on my 20D at very low shutter speeds. I haven't seen this limitation mentioned in reviews. Am I misreading this? If not, folks should really know about this before replacing a 10-22 and thinking they're getting image stabilization.
 
Eagle Eye said:
Maybe it's just saying that this is the body and focal length it's tested at?

Yes, that's how I read it. They've got results of 4 stops, and they're just explaining the exact scenario they used to achieve these results - a get out clause to avoid everyone demanding a full 4 stops of IS at all focal lengths with any old lightweight body.
 
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Eagle Eye said:
Just picked up a 10-18mm for my sister-in-law, who is getting ready to head to Europe. I noticed in the instruction manual that it says the image stabilizer only works on the EOS 7D and only at 18mm. I was not able to hear anything kicking in when I tested the lens on my 20D at very low shutter speeds. I haven't seen this limitation mentioned in reviews. Am I misreading this? If not, folks should really know about this before replacing a 10-22 and thinking they're getting image stabilization.




You are misreading it, it is merely giving the example of 4 stops at 18mm on a 7D. The IS may be less than 4 stops on the wide end.
 
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