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Thread: Solution to the E-M1 EVF burn problem?

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    Default Solution to the E-M1 EVF burn problem?

    After a discussion with my telescope expert friend about the EVF burn issue on my E-M1 (it is in the shop now for its fourth TFT) I came up with the idea of making an special eye cup with an IR blocking filter (specially coated Schott KG3 glass) built into it. It would basically be just an EP-12 with a 12mm disk held in place with car windshield sealant, black, flexible, and strong. My friend made this little video this morning to demonstrate the IR absorbing capabilities of the filter: (In German but self explanatory)

    https://www.youtube.com/watch?v=pJ1u...ature=youtu.be

    They are commonly used in astrophotography.
    Looks promising to me. I have written to Olympus to see if they have thought of doing anything like this, and if they have, if it works, and if it does, why we haven't been informed. If they have, and it doesn't work, then they could save me the trouble and expense of having a filter custom cut. It might not offer 100% protection, but considering how quickly it can happen (< 1 second!) it might make the E-M1 at least safe to use normally on sunny days, and that is a LOT!

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    Default Re: Solution to the E-M1 EVF burn problem?

    Thank you for looking into this problem. Very constructive and hopefully Olympus will take this idea up for us.

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    Default Re: Solution to the E-M1 EVF burn problem?

    Patent it first, then tell them Daniel
    Good idea though.
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    Don

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    Default Re: Solution to the E-M1 EVF burn problem?

    You should be on Olympus payroll, helping them fix problems like this!

    Thankfully, no issues with my E-M5, though I think the last sunny day in this country was 2 months ago.
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    Default Re: Solution to the E-M1 EVF burn problem?

    Yeah, it seem a bit grotesque, but fact is, I really like the E-M1 and I want to be able to use it the way it was designed to be used. What is your diopter adjustment setting, Edmunds?

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    Default Re: Solution to the E-M1 EVF burn problem?

    I don't need to use a diopter setting as my eyesight is good, so I guess I may not have this issue.
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    Default Re: Solution to the E-M1 EVF burn problem?

    No, you are safe.

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    Default Re: Solution to the E-M1 EVF burn problem?

    You're not necessarily safe with normal diopter settings. I use normal settings and got a small burn within the first month of having the camera. It was one small green dot and I lived with it for most of the year. Over that year, it never got worse, no new dots. Sent the camera in about a month ago, just prior the one year warranty (though I did get an extended warranty). Since then though, no problems, and using the camera as I normally do.....
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    Default Re: Solution to the E-M1 EVF burn problem?

    Right. I think it is a question of time AND diopter setting. With me it happened almost instantaneously. At lower settings it might just take longer and/or the spots might be more defused. At any rate, it would have been SO easy for them to have built an effective IR filter into the camera in the first place, had they even thought about, which I doubt they did. They could have even made the viewfinder lenses out of IR blocking glass. Certainly they could have put it over the TFT polarizer, the actual thing that is getting burnt. See: http://global.epson.com/products/htp.../pdf/f04x8.pdf
    I don't think Olympus did it deliberately. Nobody wants design failure! New technology. Now they know.

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    Default Re: Solution to the E-M1 EVF burn problem?

    Just heard from Olympus-Europe:

    "As far as I could find out, our specialists are aware of filters that can reduce some wave lenghts in order to eliminate their destructive impact on the lcd in the viewfinder. However, this solution has a dark side. The visibility of the viewfinder is distorted.
    According to the latest news, a solution from Olympus is on its way and should be presented no later than in March 2015."

    Good news, indeed! Lets hope it pans out.
    I will go ahead with my plan anyway, even if it is only a stop-gap solution, and even if the EVF is a tad darker or "distorted". Worth the effort, me thinks...

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    Default Re: Solution to the E-M1 EVF burn problem?

    Well done Daniel

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    Default Re: Solution to the E-M1 EVF burn problem?

    I have decided to wait and see. It would cost me about €85 to have a filter cut to size. Don't see why I should have to spend that kind of money.

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    Default Re: Solution to the E-M1 EVF burn problem?

    Well I sure hope the fix is going to really be available in March, I have my 3rd burn in dot on mine now, its very small so its doesnt bother me much but if they have a fix coming I will wait to send it in, like you my last one was in an instant, diopter one notch short of full on the + side.. if its a new TFT I will wait till the new TFT was available at the repair center for replacement, hate to send it in and wait for them to get them or have them just put the old style back in, if thats what the fix is anyway, maybe it will be something n the eye piece itself?.. I didnt think they could ignore this issue, has to be costing them a bit of money replacing these things.. just hope people without the problem start sending them in all at once just to get the new TFT or our bodies might be in the shop for 3 months!
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    Default Re: Solution to the E-M1 EVF burn problem?

    The fact that it has taken them so long perhaps suggests that the fix will come from Epsom, though it would seem to me to be simpler to fix something in the optics, like simply make the lenses out of specially coated Schott KG3 glass or add a filter. The glass in the filter used in Tommy's demonmstration is only 1.6mm thick. They must be able to find room in there somewhere for that, though it would no doubt mean re-desigining the whole EV.
    Who knows? Maybe it will just be an EP-12 with a 12mm disk of KG3 glass stuck in it....

    OK with me, either way, as long as it works!

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    Default Re: Solution to the E-M1 EVF burn problem?

    That's a great idea. IR cut filters can get pricey. It would make a good DIY project.


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    Default Re: Solution to the E-M1 EVF burn problem?

    Quote Originally Posted by Daniel Bradley View Post
    According to the latest news, a solution from Olympus is on its way and should be presented no later than in March 2015."
    Daniel,

    I've read the "Latest News" section of the Olympus-Europe website (www.olympus-europa.com) and can find nothing about a solution to the EVF burning issue. Can you post a citation, please?

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    Default Re: Solution to the E-M1 EVF burn problem?

    I received the information directly from my contact person at Olympus-Europe. It has yet to be "officially" announced, and probably won't be until it is ready. It may also not be something that will be made public. I do not know any more exact details about the date or whit sort of solution it will be. Sorry.

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    Default Re: Solution to the E-M1 EVF burn problem?

    Well, it is back to the grinding wheel.... literally. I got this from Oly today:
    "there will be no special accessories to prevent the viewfinder from getting burnt, nor there are any plans for spare parts modifications."
    They will fix it again if it burns, but I don't want to risk it and I will try to make the KG3 filter as planned, on my own time and at my own expense, and hope it works.
    Wish me luck.....

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    Default Re: Solution to the E-M1 EVF burn problem?

    Seems like a problem that they should be working on and offering solutions for. Good luck with your filter.
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    Default Re: Solution to the E-M1 EVF burn problem?

    Would seem that way to me too, but according to the Oly guy, only the E-M1 is affected and if mine burns again, they will replace it again. Cheeper than the extra R+D effort.

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    Default Re: Solution to the E-M1 EVF burn problem?

    So the new E-M5 II (which is supposed to have same evf as e-m1, right?) will not be affected as the e-m1?

    I wish you all success with the kg3 filter !

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    Default Re: Solution to the E-M1 EVF burn problem?

    What about trying a piece of 3M's Crystalline window tinting film, see http://wot.motortrend.com/3ms-window...#ixzz1MH2xvMJD . If I'm reading it correctly, the lightest of the films lets though 90% of the visible light and reflects 90% of the IR. I would imaging one could just stick it on the VF glass.
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    Default Re: Solution to the E-M1 EVF burn problem?

    Quote Originally Posted by BobT View Post
    What about trying a piece of 3M's Crystalline window tinting film, see http://wot.motortrend.com/3ms-window...#ixzz1MH2xvMJD . If I'm reading it correctly, the lightest of the films lets though 90% of the visible light and reflects 90% of the IR. I would imaging one could just stick it on the VF glass.

    Being a designer in the signage industry, I could proably order a few 4" sq samples directly from 3m.
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    Default Re: Solution to the E-M1 EVF burn problem?

    Quote Originally Posted by doofclenas View Post
    Being a designer in the signage industry, I could proably order a few 4" sq samples directly from 3m.
    Since I just pulled the trigger on an E-M1 purchase and get 236 sunny days a year, I'll be in that
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    Default Re: Solution to the E-M1 EVF burn problem?

    According to my Oly guy, "it is only the viewfinder of the E-M1 so far that can eventually suffer under bright sunlight conditions".... so far...

    3M?? Hadn't thought of that. Worth a try. Certainly easier to do than grinding an $80 filter down to size. Easy enough to test also on a piece of glass with a magnifying glass.

    My only worry would be though, that it would not be as clear as the real thing and would blur the image. That would make focusing even harder. Another question is whether the adhesive would damage the coating of the glass on the VF. And can the stuff be easily removed.... ?
    Anyway, I have sent a request to 3M here to see if I can get a piece of the stuff to play with. Maybe I can find a shop that installs the stuff and beg a scrap or two.... Good idea at any rate.
    Last edited by Daniel Bradley; 03-18-2015 at 12:55 AM.

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