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100-400 Canon, IS with a monopod, beanbag, etc? (1 Viewer)

Jos Stratford

Jos Stratford

Eastern Exile
Staff member
United Kingdom
Using the Canon 100-400, which I have to say I have been totally happy with so far, I understand you have to turn off IS when using a tripod (anybody understand why?), but my question is should I also turn off the IS if using the lens with a monopod, beanbag or if simply resting the lens on the car roof, etc?
 
With the 100-400mm lens, if the camera moves, you may want to use IS - if the camera is not moving, there is no need for IS and you should have it turned off. It doesn't matter how it is supported.
 
compa said:
With the 100-400mm lens, if the camera moves, you may want to use IS - if the camera is not moving, there is no need for IS and you should have it turned off. It doesn't matter how it is supported.
Click to expand...


I have a 70-200 lens and according to the manual it recognises when a tripod is attached and switches the IS off! I can only assume that Canon in their wisdom don't feel we need the benefit of a couple of extra stops as opposed to a bit more battery life!

But then I'm not a pro so maybe battery life is more important!
 
ApusApus said:
I have a 70-200 lens and according to the manual it recognises when a tripod is attached and switches the IS off! I can only assume that Canon in their wisdom don't feel we need the benefit of a couple of extra stops as opposed to a bit more battery life!
Click to expand...

The reason for switching IS off when the lens is tripod-mounted isn't to do with saving power. It's because the IS system will induce a slight shake in this case.

At least, that's the situation with the 100-400. As you say, lenses with Canon's later version of IS will detect the stability of a tripod and switch the IS off after a couple of seconds.

It's all explained here
 
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