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Olympus OM-D E-M5 The first Micro Four Thirds camera from Olympus with an integrated Electronic Viewfinder

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Old 22nd July 2018
Dewi9 Dewi9 is offline
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viewfinder query

I have an Olympus OMD EM5 mk1 and have got spots in front of my eyes.


If I use the viewfinder there are three small areas of the display(?) which stay light blue, just like the sky, regardless of the subject.


So I have faces with blue spots, walls with blue spots ,,, flipping blue spots everywhere.


They do not appear on the rear screen though, and if you move your head in relation to the eyepiece the dots move across the screen. That is, they are not on the screen but look 'half way' between eyepiece and screen, like internal reflections.


Anyone got any ideas on this peculiar problem ? I have had a look round the sensor, but there is no way 'up the gap' to get to the rear of the eyepiece.


Cleaning the 'eyehole' has no effect, it is definitely inside.


David
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Old 23rd July 2018
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Re: viewfinder query

Is the camera new, or 2nd hand? And how long have you owned it?

I have had several EM's but never had this sort of problem....
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Old 23rd July 2018
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Re: viewfinder query

I've not heard of this before either. Maybe it's a mild variant of the burnt viewfinder problem? Sounds like a repair job to me. I'd call Luton Cameras and ask them about it.
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Old 23rd July 2018
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Re: viewfinder query

Sounds like there are small flecks of dust/paint/similar which have become dislodged internally and landed on the inside face of the dioptre adjustment lens?
As Phil D says - it sounds like a repair job
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Old 23rd July 2018
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Re: viewfinder query

I think it is likely sun burn spots on the EVF display.
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Old 23rd July 2018
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Re: viewfinder query

To answer johnheatingman, I do not take offence it is a fair suggestion which I had not considered.


I have tried both eyes (one at a time) with adjustments to dioptre thingy and get blue spots both times. That would seem to rule eyesight out (I hope).





The pic is (nearly) what I see, although it is not very good due to camera movement, exposure wrong etc. But gives an idea of my problem.


Picture taken with E-PL3 + 14-42 lens @14mm, nearly touching viewfinder (which had tape on to simulate eyeball nearby).


OMD-EM5 had no lens, no card, body cap only. Was bought secondhand over a year ago and has behaved itself up until now. Shutter count is around 12K.


As many of you have never seen or heard of this phenomena I give it to you to ponder over. lol

David
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Old 23rd July 2018
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Re: viewfinder query

Well, it has got me wondering anyway.

David
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Old 24th July 2018
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Re: viewfinder query

Let us know when you get the answer, it's definitely curious.
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Old 24th July 2018
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Re: viewfinder query

Well, I contacted Luton Cameras, asking for advice, and attached a picture for them to look at.

Their reply is that it is 'damage caused by sunburn' which will mean a replacement EVF - which Olympus do not supply anymore. Short life these cameras now the mk2 is mainstream.

Costs would be around 60 for secondhand EVF + 100 labour + carriage etc. So I will live with it for now. I could get another secondhand one for little more than the repair.

Thanks for all comments, it is nice to have a reason for this peculiar fault.


David
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Old 25th July 2018
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Re: viewfinder query

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Originally Posted by Johnheatingman View Post
It looks like Ross, our clever friend from down under was right first time Although the repair costs are not good news, at least the camera is useable so that is a bonus.

I'm glad the cause was eventually confirmed

Regards,

John
You know that saying, sometimes a problem cannot be seen too close. Well, I'm far enough away, downunder to see it differently.

Sorry it has that stinging result. It is frustrating when parts become unavailable or no longer being serviced.

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Old 25th July 2018
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Re: viewfinder query

Poor back-up I reckon....NOT impressed. Just hope my Em1 ii does not t*ts up in a couple of years. Won't be able to afford another......
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Old 25th July 2018
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Re: viewfinder query

When did the mk1 first come out? Seems like a short lifetime for spares availability. I have no idea if any other camera manufacturer is any better or worse though.
Seems like the throw away society is just getting worse.
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Re: viewfinder query

What is sunburn? Has a previous owner taken too many photos in very bright sunlight, presumably including the sun in the photo? Or has the camera been left in the sun viewfinder up??

Would assume the exposure to the sun has been "drastic" either end...…...

Is there a lesson for all us to learn?
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Re: viewfinder query

Quote:
Originally Posted by MJ224 View Post
What is sunburn? Has a previous owner taken too many photos in very bright sunlight, presumably including the sun in the photo? Or has the camera been left in the sun viewfinder up??

Would assume the exposure to the sun has been "drastic" either end......

Is there a lesson for all us to learn?
It's when the diopter of the EVF has been adjusted so that when sunlight does directly enter it is a pin size on the EVF display & doing that makes it a hot spot. Later models now have a filter to minimise this effect. Yes, it is possible to burn spots on the main sensor if the sunlight is focussed to a pin spot & exposed for any length of time. You can burn a hole in film too under similar focussing of the sun. The longer the exposure the more it will burn.
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Old 25th July 2018
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Re: viewfinder query

My question would be - How do you get sunlight down the viewfinder strong enough to cause 'sunburn' ?

I mean, most of the time the camera is on a strap around your neck, with the eyepiece against your chest. So it is 'in the dark' so to speak.

Alternatively, how is the EVF set up ? Is it an image taken off a separate(small) sensor next to the big sensor which actually takes the picture ? If that is the case is it caused by changing lenses in sunlight , mis-alignment or what ?

I cannot see a reason for this problem. Anyone else like to have a guess ?

David
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