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Q2 Monochrom "stuck" bright white pixels

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Posted by Leon_B.,

Information from Wetzlar about the hot/stuck pixel phenomenon of the Leica Q2 Monochrom at higher ISO values: Leica has informed us that the problem has been identified and they are working on a software solution.  We have the following important information for you:  It is not necessary to send the camera in  A firmware update will probably be available in a few weeks with which a manual pixel mapping can be done. So a little more patience please, solution is on its way ..
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Leon_B.
Leon_B.

Information from Wetzlar about the hot/stuck pixel phenomenon of the Leica Q2 Monochrom at higher ISO values: Leica has informed us that the problem has been identified and they are working on a sof

hdmesa
hdmesa

They will probably walk around Wetzlar taking photos with it for two weeks until the dead-pixel firmware detection runs and then send it back

fieldafield
fieldafield

Received today from Leica UK: "The white pixels are defect pixels, it is something that indeed appears more often on a high res sensor like this. The camera automatically does a pixel refresh eve

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SrMi

SrMi

Posted
Posted
2 hours ago, mjmetts said:

Anyone heard anything further on the firmware update? I'm a first-time Leica owner, so curious how they typically roll these out.

I received confirmation from Leica that a firmware update will fix it, but no timeline was given. 

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Marc B-C

Marc B-C

Posted
Posted
5 hours ago, mjmetts said:

Anyone heard anything further on the firmware update? I'm a first-time Leica owner, so curious how they typically roll these out.

I had a similar issue re hot pixels about a month ago but on a new Q2 (non M). Leica UK suggested they had no given time frame but were hoping for end March. 

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nckkrl

nckkrl

Posted
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Advertisement (gone after registration)

It is here!

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SrMi

SrMi

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Posted (edited)
9 hours ago, nckkrl said:

It is here!

Welcome, dear visitor! As registered member you'd see an image here…

Simply register for free here – We are always happy to welcome new members!

Do you have a URL?

I cannot find the download link for Q2 Monochrom Firmware update 1.1. Only Q2's new firmware is accessible.

Edit: I see that it is downloadable from https://www.reddotforum.com/content/2021/04/firmware-update-for-q2-and-q2-monochrom-adds-pixel-mapping/

Anybody successfully installed it?

Edited by SrMi
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nckkrl

nckkrl

Posted
Posted
2 hours ago, SrMi said:

Do you have a URL?

I cannot find the download link for Q2 Monochrom Firmware update 1.1. Only Q2's new firmware is accessible.

Edit: I see that it is downloadable from https://www.reddotforum.com/content/2021/04/firmware-update-for-q2-and-q2-monochrom-adds-pixel-mapping/

Anybody successfully installed it?

From Leica Service & Support -> Support -> Downloads 

Welcome, dear visitor! As registered member you'd see an image here…

Simply register for free here – We are always happy to welcome new members!

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SrMi

SrMi

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21 minutes ago, nckkrl said:

From Leica Service & Support -> Support -> Downloads 

Welcome, dear visitor! As registered member you'd see an image here…

Simply register for free here – We are always happy to welcome new members!

Thanks, hidden here: https://us.leica-camera.com/Service-Support/Support/Downloads?category=124335&subcategory=194577&type=108942&language=all

The update fixes stuck bright pixels at higher ISO on my Q2. I ran Pixel Mapping at higher ISO (ISO 800) because that is where I saw stuck pixels. I do not know if it matters.

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Overland

Overland

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vor 30 Minuten schrieb hdmesa:

Normal. Just because the newer firmware is installed doesn't mean you don't need to run the pixel mapping right out of the box.

I did a pixel mapping before each shooting. Unfortunately it has no effect on the hot pixels. They always remain in the same position. 

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hdmesa

hdmesa

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4 hours ago, Overland said:

I did a pixel mapping before each shooting. Unfortunately it has no effect on the hot pixels. They always remain in the same position. 

Sounds defective then if they don’t move. Maybe set ISO to 12K and try pixel mapping again to see if that helps.

But do note that on the monochrome sensors, if you grossly underexpose in low light AND try to push the exposure and shadows back up, you may see all sorts of noise. These monochrome cameras are the best things out there for low light, but they have their limits, too.

Edited by hdmesa
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Glascarvn

Glascarvn

Posted
Posted

Hello, thank you for this article. I just got a Q2M yesterday, and I am experiencing this problem. It had the original software version installed so I read this and figured downloading the latest version 5.1.0 would take care of the issue. It did not, issue still there under high ISO conditions. SOOOOO do I return the camera? Quite annoyed I saved for this camera for 3yrs, the most expensive camera I own, and the most defective one I've ever used. Any advise? I really want this camera, but if I have to spend a bunch of time fixing every image not worth the $6k premium price. So was this issue never figured out? I have prob 30-50 white dead pixels on every high ISO image, anything about ISO 6400.

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jaapv

jaapv

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Posted

Excessive or unfixable hot pixels indicate radiation damage. Was the camera transported by air during the recent solar storm? It is unlikely that it is a QC failure as all sensors are mapped. It requires remapping or sensor replacement if the tolerance is not met any more. 
If it is a new camera return for a replacement. 

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SrMi

SrMi

Posted
Posted
10 hours ago, Glascarvn said:

Hello, thank you for this article. I just got a Q2M yesterday, and I am experiencing this problem. It had the original software version installed so I read this and figured downloading the latest version 5.1.0 would take care of the issue. It did not, issue still there under high ISO conditions. SOOOOO do I return the camera? Quite annoyed I saved for this camera for 3yrs, the most expensive camera I own, and the most defective one I've ever used. Any advise? I really want this camera, but if I have to spend a bunch of time fixing every image not worth the $6k premium price. So was this issue never figured out? I have prob 30-50 white dead pixels on every high ISO image, anything about ISO 6400.

Did you run pixel mapping?

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