Image Stableisation And Tripods
- Thread starter glennk
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- Phil
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I instantly know when I've forgotten to turn stabilization off. Images are always soft.
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- Nick
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Phil Young said:
It's infuriating!
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- scott
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tripod off, monopod on.
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nickjohnwatson said:
Especially after a 15 minute exposure....
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Phil Young said:
Lol, I took a load of photos the other week and was half asleep and forgot I had it on manual focus lol so nothing was in Focus durrrrrrrr
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If using studio lights then i dont think it will matter, my nikon 28-70 f2.8 doent have it and it works, just remember to keep your shutter speed to match the focal length and take into account the crop factor ifyou have a crop sensor camera.
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- Laurence
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This is a question that keeps going round and round my head. There is some information available, one from Canon on how IS works and some info on tripods:
http://cpn.canon-europe.com/content/education/technical/image_stabilization_lenses.do
and another page that's quite interesting:
http://www.dlcphotography.net/TripodAndIS.htm
I will keep IS turned on when using my 100mm F2.8L macro lens on a tripod because my Canon body has a special macro mechanism that utilises IS with this lens (http://www.ronmartblog.com/2011/08/understanding-canons-hybrid-is-and.html). Although it's on a tripod I still keep moving backwards and forwards in MF.
The only other long lens I mount on a tripod is a 500mm F4L. However, I use this with a gimbal head so I keep IS turned on because it's not locked down.
I still don't know if this is correct!
http://cpn.canon-europe.com/content/education/technical/image_stabilization_lenses.do
and another page that's quite interesting:
http://www.dlcphotography.net/TripodAndIS.htm
I will keep IS turned on when using my 100mm F2.8L macro lens on a tripod because my Canon body has a special macro mechanism that utilises IS with this lens (http://www.ronmartblog.com/2011/08/understanding-canons-hybrid-is-and.html). Although it's on a tripod I still keep moving backwards and forwards in MF.
The only other long lens I mount on a tripod is a 500mm F4L. However, I use this with a gimbal head so I keep IS turned on because it's not locked down.
I still don't know if this is correct!
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Excellent link.
It includes a list of lenses that require IS to be turned off when on a tripod.
EF28-135mm f/3.5-5.6 IS USM
EF75-300mm f/4-5.6 IS USM
EF100-400mm f/4.5-5.6L IS USM
EF300mm f/4L IS USM
I'm surprised at how short it is.
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OK, being a scientist I thought I'd try an experiment. These are crops from a 20-second exposure using my 24-105. This lens is said to have an IS system that can tell if it's on a tripod and switch into its 'special' mode. IS-on is on the right (or is it the left?)...
Now with the 100-400. IS-off is on the left...
Now with the 100-400. IS-off is on the left...
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Interesting results, chalk and cheese really.
I can't see any difference in the 24-105 samples but there are variables that could affect the 100-400 result.
Can I ask how the body/lens was mounted in both cases?
Did you do any tests using faster shutter speeds?
I can't see any difference in the 24-105 samples but there are variables that could affect the 100-400 result.
Can I ask how the body/lens was mounted in both cases?
Did you do any tests using faster shutter speeds?
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In both cases i used my big, solid tripod. Both were shot using f16, ISO100, 22s.
Nope. The IS effect on the tripod is more obvious with long exposures.
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I remember using my 28-135 on a tripod with Liveview for ring-focussing. Every time I took the shot on the cable release, the tripod head dropped a small number of degrees. I checked the tightness and shot again - same thing. I was getting quite puzzled and annoyed because the head was very tight and I couldn't budge it yet it was still loose enough to drop when I took the shot.
Doh! :bang: - IS was on and the head wasn't dropping at all but the IS was kicking in on the cable release press (and the shots were very vertically smudged).
Doh! :bang: - IS was on and the head wasn't dropping at all but the IS was kicking in on the cable release press (and the shots were very vertically smudged).
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It is definitely incomplete.
I had a batch of 30s exposures ruined recently using the 70-200 f4 IS until I worked out the blur wasn't wind buffeting. As soon as I tuned off the IS the shots were pin sharp.
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Hmmm. I may have to test that.