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Old 31st October 2013
Anne Anne is offline
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Problem with blurred photos 75-300mm.....

I'm sure I've read about this on here or other forums but I can't find the threads so perhaps someone may have some advice or a solution.

I went to Richmond Park to photograph the deer on Wednesday morning. I used a heavy duty tripod and cable release but the majority of images were blurred using this lens (the Mark 1 version).

I am on my iPad right now so don't have exif data but I was using F8 with auto ISO 1600 max. So the shutter speed would have varied and from what I've read in the past, there are certain shutter spears that cause 'shutter shake'. I had IS 1 set....I haven't seen anything definitive to say whether or not it should be turned off with the E M5 when using a tripod. Mostly the deer were backlit or lit from the right, there was still some ground mist but the sun was low being 7.30am onwards. Later shots around 10am were ok with no blurring and I think the shutter speed was over 300th at that point.

I have read on one blog/website that you need you set anti shock to 1/8? But I don't really understand why or if that will be a solution. I am hoping that if anyone has experienced this, that they can explain it to me please. I should say that I used this lens once in Yosemite last week but again the image was blurred when I wouldn't have expected it to be as it was on a tripod with a cable release. Most of the time I used my trusty 14-150mm which I know is not supposed to be the highest quality lens but always gives satisfactory results and I love using it.

I want to sort this out because I am going to Bavaria on a bears/wolves workshop in 2 weeks and I will need a telephoto. I will also play around with the lens myself over the next week and see if I can replicate this.....although to be fair this could be just my fault as the photographer and not the lens! But I haven't noticed it with any other lens.
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

I should add that I was mostly shooting at 300mm.
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

The advice from Olympus for all their cameras has always been to turn off IS when using a tripod. For the E-M5 this advice is given on page 49 of the manual.

Hope this helps.
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

Had a similar problem with a tamron lens on my Canon 1DS MkIII Almost sent the lens back, but switched off the IS when on the tripod & the focus was magic.
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

And you don't say which camera. I assume the E-M1...??
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

I have also noticed that if I hold the lens (75-300 on the E-M5) at the end (when hand holding), it is also defeating the operation effect of the IBIS giving blurred results. In past cameras I realised that when I braced against something with IS on it then affected the output & I think IS probably works best if holding free hand & if there are any side vibrations when on the tripod (or monopod) then maybe try IS2 to counter that but not IS1 where it is likely to give you vertical blur, otherwise have IS off. The 1/8 sec shutter delay (anti-shock) can be effective too at low shutter speeds (I think maybe from 1/20 - 1/200 sec) if there is vibration caused by the shutter closing & opening for exposure.
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

Quote:
Originally Posted by bilbo View Post
And you don't say which camera. I assume the E-M1...??
Your assumption may be wrong.
I think Anne has an E-M5 and is waiting for an E-M1.

Regards.
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Old 31st October 2013
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Re: Problem with blurred photos 75-300mm.....

Quote:
Originally Posted by PeterBirder View Post
Your assumption may be wrong.
I think Anne has an E-M5 and is waiting for an E-M1.

Regards.
Thanks Peter - I'll shut up!
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Old 1st November 2013
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Re: Problem with blurred photos 75-300mm.....

Thanks everyone, I have been reading up some more on this since I posted...well until I couldn't get Virgin wifi anymore

Brian, I thought I mentioned the E M5 in my text...but anyway that was what I was using. I should put it on a signature lol.

I will run some test shots, with anti shock and IS off to see if it is better. I think that I was assuming all would be well seeing as I had my Manfrotto with me, especially following the last week of using a small travel tripod with IS on 1 and having no problems with the 14-150mm. I don't use the 75-300mm that much so it was a shame to feel so disappointed with the results. I will try harder next time!
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Old 1st November 2013
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Re: Problem with blurred photos 75-300mm.....

Yes, if using a support it is best to switch IS off because any small vibrations could trigger the IS to operate when the camera is actually still, causing a camera-shake like result.

Ian
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