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Canon T8i / 850D viewfinder ISO display

Started 1 month ago | Discussions
Len Philpot
Len Philpot Contributing Member • Posts: 625
Canon T8i / 850D viewfinder ISO display

I just noticed something but I don't know if it means anything specific, if there's a minor malfunction or if it's always been that way and I'm just now noticing (never say never).

When the ISO is set at 200 or above it's normal, but if it's below 200 there's an underscore in the first decimal location. See the comparison image:

Also, if I set it to Auto ISO, it shows the "A" as expected, but the bottom segment is mostly (but not completely) illuminated, so it looks more like an "8" instead of an "A". Maybe the LED has partially failed?

I've powered the camera off / on but it persists. I've found nothing in the user manual that's relevant, unless I overlooked it. There's no operational issue that I've noticed (yet, at least).

Thanks.

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Len Philpot
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Digirame Forum Pro • Posts: 41,857
Re: Canon T8i / 850D viewfinder ISO display

Congratulations getting the new camera.  Maybe you could call Canon, if you can find a phone number for that.  Possibly it's a firmware issue.

Len Philpot
OP Len Philpot Contributing Member • Posts: 625
Re: Canon T8i / 850D viewfinder ISO display

It could be a firmware glitch. I'd have to check but I think I'm out of warranty on the camera. I bought it in November 2020, IIRC.

Then again, the T8i is definitely a step child as far as Canon is concerned, being their final consumer DSLR. As of a few days ago there were no firmware downloads even listed on the website. They offer no accessories designed just for it, etc. End of the road for entry level DSLRs.

But as long as it works, it doesn't matter.

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Len Philpot
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stevet1 Senior Member • Posts: 1,300
Re: Canon T8i / 850D viewfinder ISO display

Len Philpot wrote:

I just noticed something but I don't know if it means anything specific, if there's a minor malfunction or if it's always been that way and I'm just now noticing (never say never).

When the ISO is set at 200 or above it's normal, but if it's below 200 there's an underscore in the first decimal location. See the comparison image:

Also, if I set it to Auto ISO, it shows the "A" as expected, but the bottom segment is mostly (but not completely) illuminated, so it looks more like an "8" instead of an "A". Maybe the LED has partially failed?

I've powered the camera off / on but it persists. I've found nothing in the user manual that's relevant, unless I overlooked it. There's no operational issue that I've noticed (yet, at least).

Thanks.

Len,

I just checked mine. If I set the ISO to 100, there is no underscrore after the 100. I checked 125, and the same result. No underscrore.

If I set the ISO to Auto, the viewfinder does not say "Auto" in the viewfinder.. It just gives me the number.

I can't tell why our are different.

Steve Thomas

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Len Philpot
OP Len Philpot Contributing Member • Posts: 625
Re: Canon T8i / 850D viewfinder ISO display

I've not done any test shots, etc., but I see no indication of operational issues so it's really just a minor curiosity at this point.

Thanks.

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Len Philpot
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Canon EOS Rebel T8i (EOS 850D) Canon EF 70-300mm f/4-5.6 IS USM Topaz Adjust Topaz DeJPEG Topaz Detail +13 more
Mintychocs Regular Member • Posts: 103
Re: Canon T8i / 850D viewfinder ISO display

Just a wild speculative guess but do you have highlight tone priority switched on?

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Len Philpot
OP Len Philpot Contributing Member • Posts: 625
Re: Canon T8i / 850D viewfinder ISO display

Mintychocs wrote:

Just a wild speculative guess but do you have highlight tone priority switched on?

No, I checked that and it's off.

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Len Philpot
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Mintychocs Regular Member • Posts: 103
Re: Canon T8i / 850D viewfinder ISO display

I can’t think of anything else other than maybe check what firmware you have and if it’s the latest version.

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Len Philpot
OP Len Philpot Contributing Member • Posts: 625
Re: Canon T8i / 850D viewfinder ISO display
1

There's no later version and I really don't expect any updates, given that the T8i is basically a step-child camera at this point. There are no more Canon consumer DSLRs, it was the last one.

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Len Philpot
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Canon EOS Rebel T8i (EOS 850D) Canon EF 70-300mm f/4-5.6 IS USM Topaz Adjust Topaz DeJPEG Topaz Detail +13 more
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