Image stabilisation with a gimbal.

footman

footman

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Laurence
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Equipment: Canon 1D Mark IIn, 100-400L, Acratech GV2 ballhead and Wimberley Sidekick, mostly on perching birds.

I'm still undecided whether I should be turning the IS off or leaving it on. When used with a gimbal it is more stable than hand-held but still capable of slight movement i.e. user tremor.
Does the IS mechanism "fight" against the lens stability as it would do on a tripod?
The AF with IS on is no slouch but it is slightly faster with IS turned off.
 
footman said:
Equipment: Canon 1D Mark IIn, 100-400L, Acratech GV2 ballhead and Wimberley Sidekick, mostly on perching birds.

I'm still undecided whether I should be turning the IS off or leaving it on. When used with a gimbal it is more stable than hand-held but still capable of slight movement i.e. user tremor.
Does the IS mechanism "fight" against the lens stability as it would do on a tripod?
The AF with IS on is no slouch but it is slightly faster with IS turned off.
Click to expand...
The 100-400 does not have a tripod sensing I.S. system therefore it should be switched off - Using a Gimbal on a tripod is the same as any other head in this respect (or are you saying you use a gimbal without a tripod!!!) For telephoto Lenses first made after 2000 it should have a tripod sensing I.S. system and with these it can be beneficial to leave I.S. switched on when using a tripod.
 
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If birds are stationary, then can you not lock the gimbal down to prevent movement. The whole object of a gimbal is free movement usually for BIF.
 
I'm really sorry guys, a very poor attempt at humour on my part.:amstupid:

artyman said:
If birds are stationary, then can you not lock the gimbal down to prevent movement. The whole object of a gimbal is free movement usually for BIF.
Click to expand...
I have to have the gimbal free moving as I can't tell in advance whereabouts in the tree a bird is going to land. Maybe there's something wrong with my technique.
 
artyman said:
If birds are stationary, then can you not lock the gimbal down to prevent movement. The whole object of a gimbal is free movement usually for BIF.
Click to expand...
Not sure I would I agree with this Ken - sure a bit of free movement is fine for panning and finding the target and of course for BIF but there are many times when I lock down the Gimbal for stationary birds.
 
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