Camera image problem - Xperia Z2 Q&A, Help & Troubleshooting

Hey, I've been getting this problem for a while now.
Decided it was time to do something about it. In advance: sorry about the legs.
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Notice the very obvious weird rainbow lines.
Pretty sure it only happens in my room. It may be my fluorescent lightning.. It may be a lot of things.
I just want to know if anyone else has experienced this ever.

stevles said:
Hey, I've been getting this problem for a while now.
Decided it was time to do something about it. In advance: sorry about the legs.
Notice the very obvious weird rainbow lines.
Pretty sure it only happens in my room. It may be my fluorescent lightning.. It may be a lot of things.
I just want to know if anyone else has experienced this ever.
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ive xperianced around fluorecent lighting and high temp during/after 4k recording
i think most cameras have the fluorecent lighting thing, its evident when you point toward old lamp tvs with cameras

Envious_Data said:
ive xperianced around fluorecent lighting and high temp during/after 4k recording
i think most cameras have the fluorecent lighting thing, its evident when you point toward old lamp tvs with cameras
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Ah ok then, fair enough.
Had a feeling it was something like that, from memory Fluorescent lighting strobes or flickers at a very low speed compared to regular light bulbs. While great for saving power (they run 16 hours a day) it clearly sucks heavily for cameras.
Anyway, thanks for confirming that for me.

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[Q] Camera Auto Focus dont work with WP7?

I installed WP7, but camera auto focus dont work.... Any ideas how to fix it?
It works for me.
It takes a few seconds to adjust but it does work.
For me still dont work... I tryed to touch the display to focus and this also dont work... when i try to shot a paper the letters are blurry...
Xazzy said:
For me still dont work... I tryed to touch the display to focus and this also dont work... when i try to shot a paper the letters are blurry...
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Also in Camcorder too, it just keeps focusing in and out, it messes up the whole vid.
It looks almost like it doesn't take long enough to focus properly most of the time... Can you adjust the focus area or how long it takes to focus?
Its because the hd2 doesnt have the camera button that when you press half way it focuses.
On a similar note I have found photo quality with the WP7 camera to be absolutely appalling compared to the photo quality when I was using Android in similar conditions. Anyone else notice this?
actually i think it sucks, it used to be awesome when i had android on mine, but these are dreadfull.
thsi was taken in dark room, i think it still sucks, it owuld have of been better on android
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I must agree that the pictures are not good, in fact i must say that are really bad.
Is there any way to set up the picture quality MPixels, or something?

[Q] black/grey bands/lines on screen

not sure if this is discussed elsewhere or is the same thing as the black crush issue ....this is a bit different ....i see lines where the screen background gradiants from black to grey, some apps are worse than others.
it does not show with solid colors, only with gradiants like on ICS style menus.
had to take a picture because it doesn't show on a screenshot, this is one of the worst, the others are not as bad with only a few lines
anyone know what this is?
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Exactly the same here. I don't know if go and take a new one, because I'm tired of these AMOLED Screens. On my SGS2 had the same problem, the ugly gradients, some green/yellow tint, and ink marks with not true deep blacks. And now, with PenTile.
Put this image on your S3, It's a screenshot of MegaJump. On my PC it looks well but on the phone... ahh.
https://dl.dropbox.com/u/64034249/Screenshot_2012-07-05-21-34-12.png
Sorry friend, it's just Samsung. That's what we get from a "premium" phone.
(I'm spanish, sorry if there are some grammatical errors)
yes, i can see all the gradiants quite visibly on the S3, it is much better on my S1, my S1 also doesn't have those grey banding lines which are worse than the halo effect ....i hope the lines are just software or background issue
i still prefer amoled to LCD though, just those banding lines suck
Hi, ho have the same problem on my sgs2. It's not a screen problem, but a 16bit rendering. This rendering mode improves 3D graphics performances, but reduces display quality introducing: banding, dithering, color missmatch.
aha!
it seems that is the answer ....so how do we enable 24 bit rendering?
can't find any info on it ...or is it something that should not be changed?
i presume there would have been an option on the phone if it was ok to do without too much performance degradation

Lightbleed maybe?

I've been reading through the numerous lightbleed threads here and elsewhere, and I can't find any reference to this particular problem I'm having. I took a chance and bought an open box Nexus 9 a few months back from Best Buy (it was a really great deal). I've been mostly satisfied with it - the buttons are a bit iffy sometimes, but I've been really happy with the screen. However, just today, I noticed this weird light bleed sort of thing started happening along the bottom edge:
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It's most visible on a white or colored background, and is almost invisible on a black one. That seems like the opposite of the usual lightbleed problems. Has anyone seen this before? Is there anything I can do, considering the screen was fine before?
mattskent said:
I've been reading through the numerous lightbleed threads here and elsewhere, and I can't find any reference to this particular problem I'm having. I took a chance and bought an open box Nexus 9 a few months back from Best Buy (it was a really great deal). I've been mostly satisfied with it - the buttons are a bit iffy sometimes, but I've been really happy with the screen. However, just today, I noticed this weird light bleed sort of thing started happening along the bottom edge:
It's most visible on a white or colored background, and is almost invisible on a black one. Has anyone seen this before? Is there anything I can do, considering the screen was fine before?
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RMA it...

Disable OIS Samsung S9

Is there any way to disable the optical image stabilization on an Android device? Preferably S9 as that's what I'm using, not sure if this is a thing that can be done on rooted Android devices?
I'm using it with a full frame fisheye lens as an action cam (like GoPro) with a chest harness and so far it works great, I think the quality is a lot better than GoPro (especially at night) and the lens is wider too, but there's one kind of big problem because it is using OIS and it was not designed for bigger shakes it actually ruins the image for a split second, it seems the OIS shifts the lens out of focus whenever the phone is shaked a bit hard - you can test this with your phone by shaking it forward-up-down and then playing the video back frame by frame, it is very noticeable anyway.
So what I was hoping is that by disabling the OIS (it seems to be controlled electronically and tries to compensate for the shake) it could hopefully maybe fix this, although I'm not very optimistic by this, there are moving parts in the hardware but what I noticed is that if I shake the phone without the camera app open, the camera makes more noise/moves more versus when the camera app is open, so maybe just maybe there is a way to mod the electronic part to hold it into place all the time?
Here is a gif of an example of what happens when you shake the phone, please note that this is not motion blur, but it is actually out of focus when that happens, it is exactly the same result whether I use it in very bright lightning conditions or low.
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I was really happy with the results with this phone and the fact that you can edit and share content right away, would be great to solve this problem! By the way I'm using it with a Blackeye Pro Fisheye G4 lens if anyone is curious.

P20 pro lens cap/protector

Hi everyone.
So i just got my hands on p20 pro, 2nd hand (pre-loved, as some socialites call it ?), and so far i'm loving it.
I'm considering of installing a physical lens protector cap, like this one:
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but i noticed it doesn't have holes in between 2 top lenses, where there should be an autofocus laser transmitter-receiver set.
I tried looking up more info on how the laser autofocus works and affects the process of taking picture, but so far found none. So I thought of asking about it here.
So my question is, how useful is the laser autofocus, and what will happen if I cover it with the lens cap? Will the camera stop working (like if I cover the second camera, the phone says, 'please don't cover the lens), or the autofocus speed slows down, or maybe no changes at all?
Also, why is there no HDR mode? Is the night mode essentially means HDR mode?
Thank you in advance.
Laser autofocus helps a lot with focusing and keeping the focus on moving objects
The HDR mode is actually VIVID/SMOOTH in the tiny box i think
The Restless Soul said:
Laser autofocus helps a lot with focusing and keeping the focus on moving objects
The HDR mode is actually VIVID/SMOOTH in the tiny box i think
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Hi, sorry for the (very) late reply.
Ah okay, I thought so too (that covering the lasers would hinder in AF ability), so I went with a glass cover instead for the cameras.
Thank you very much.

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