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  #1  
Old 11th July 2011
abacus180
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Image Stabilisation

I have a new E620, the first camera I've had with IS. I'm not sure whether this function actually does anything. I have it set to IS1, the 2D setting but I haven't noticed any improvement at all.
Is there a simple test I can perform, switching IS off then on, to see if there is a difference?
Thanks,
Graham
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Old 11th July 2011
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Re: Image Stabilisation

Hi

You could setup and run a test similar to what Wrotniak did a few years ago.
I did it on a E620 and with telezooms and found the IS helping with around 1EV - however the test has some flaws.

/Tord
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Old 11th July 2011
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Re: Image Stabilisation

Views on the value of IS vary but most reckon it is a good thing. This is especially so if you are obliged to use a shutter speed slower than the focal length of the lens. In consequence I find I use it mainly with longer focal length lenses. It shold be off if you are using a tripod.
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Old 11th July 2011
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Re: Image Stabilisation

I leave IS1 on all the time on my E-30. I don't know if that is a bad thing but I find it is quite effective at slower shutter speeds. It is, of course, of no help if the subject itself is moving.

Ron
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Old 11th July 2011
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Re: Image Stabilisation

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Originally Posted by Olybirder View Post
I leave IS1 on all the time on my E-30. I don't know if that is a bad thing but I find it is quite effective at slower shutter speeds. It is, of course, of no help if the subject itself is moving.

Ron
Hi,
I have IS.1 on except when camera is mounted on tripod. Recently I have also started to turn it off when photographing subjects in motion such as birds in flight. This procedure may sound strange but I was recommended to do by a fellow photographer who claimed the IS had negative impact on the AF performance. He may have been right, I get the feeling I get higher yield of focused pictures compared to before. Objective tests that confirm what is right or wrong are difficult to set up though, so I leave it open ...
/Tord
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Old 11th July 2011
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Re: Image Stabilisation

IS is for me the most valuable technical feature of my Olympus bodies.

I can easily shoot at speeds 1/13 with WA and normal lenses and 1/50 with telephotos.

IS will help not only in slow shutter speeds but for static subjects it allows you to keep ISO values as low as possible which is a great advantage, especially with MF lenses which I very often use.
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Old 11th July 2011
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Re: Image Stabilisation

I have just been chatting to one of our hire customers who has one of our E-5s. He has been photographing aircraft and while not strictly panning, he has been pointing a 50-200 and a moving aircraft in the sky and he found he got much better results after switching IS off.

My feeling is that if you are photographing a static subject an you are trying to keep the camera as still as possible, IS is a very beneficial thing when shooting hand-held. But if you are waving the camera around and tracking moving subjects, unless you are panning horizontally (in which case you should use IS Mode 2) then I would think that there was a danger of the IS getting very confused and potentially contributing additional blur.

I'd be very interested to hear from others' experiences on this point.

Ian
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Old 11th July 2011
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Re: Image Stabilisation

Quote:
Originally Posted by abacus180 View Post
I have a new E620, the first camera I've had with IS. I'm not sure whether this function actually does anything. I have it set to IS1, the 2D setting but I haven't noticed any improvement at all.
Is there a simple test I can perform, switching IS off then on, to see if there is a difference?
Thanks,
Graham
If you are shooting at a low shutter speed hand-held you will see a difference between IS and non IS shots.

I wrote this article on the subject some time ago:

http://fourthirds-user.com/2007/07/o...n_examined.php

Ian
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Old 11th July 2011
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Re: Image Stabilisation

Quote:
Originally Posted by Ian View Post
I have just been chatting to one of our hire customers who has one of our E-5s. He has been photographing aircraft and while not strictly panning, he has been pointing a 50-200 and a moving aircraft in the sky and he found he got much better results after switching IS off.

My feeling is that if you are photographing a static subject an you are trying to keep the camera as still as possible, IS is a very beneficial thing when shooting hand-held. But if you are waving the camera around and tracking moving subjects, unless you are panning horizontally (in which case you should use IS Mode 2) then I would think that there was a danger of the IS getting very confused and potentially contributing additional blur.

I'd be very interested to hear from others' experiences on this point.

Ian
Yes I agree, when I am photographing a bird on the ground or in a tree etc. I use IS1 but if I am trying to get a bird in flight then it is always off. I also find it works better if I am not trying too hard to keep my hand steady, in other words if the camera shake is exaggerated the IS is more able to do it's job.

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Old 11th July 2011
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Re: Image Stabilisation

I also agree, when trying to photograph moving objects, aircraft, birds, vehicles etc I get much better results upping the shutter speed and turning IS off.
IS is great for (very) slow or stationary targets
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