Hi,, i need some help to understand what iso does to photo
Can some one please explain
What does100, 200, 400, 800, 1600 iso do?
And what settings to use indoors and night
sent from my white xperia z
mr_negative16 said:
Hi,, i need some help to understand what iso does to photo
Can some one please explain
What does100, 200, 400, 800, 1600 iso do?
And what settings to use indoors and night
sent from my white xperia z
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Click to collapse
ISO is the light sensitivity of the image sensor. The higher the number, the more light sensitive the image sensor becomes. In low light, you'll want the sensitivity to be higher so that the image can be captured faster, especially if the object is moving (otherwise the "shutter speed" is too long and all you'll get is a giant blur). The trade-off with increased sensor sensitivity is noise (in film terms, it would be called film grain). Pictures taken with high ISO will have less clarity and the color will not be as true. Ideally, an ISO of 100 will provide the best looking shots.
Simply put, leave it at 100 for an outdoor picture of a relatively still object. Increase ISO as the light decreases and the subject increases movement.
-Mike
mr_negative16 said:
Hi,, i need some help to understand what iso does to photo
Can some one please explain
What does100, 200, 400, 800, 1600 iso do?
And what settings to use indoors and night
sent from my white xperia z
Click to expand...
Click to collapse
to make it easier to understand,
ISO 100 = best quality, lowest noise, slowest shutter time, used in bright environment
ISO 1600 = worse quality, highest noise, fastest shutter time, used in low light environment
however you don't always have to use ISO 1600 when taking picture in low light environment,,
since you got flash to slightly enhance the shutter time.
Related
Although the O2x has an 8mp camera on board, its image quality is mostly pale and i can only get good images in sufficient light (sun). Even then the images mostly turn out to be pale, yellowish in colour unlike samsung phones wave 2 or gsII. This is same with almost all the cam mods, although even with them the images are below par. I have 2 O2x and the images are disgusting in both of them. Can anyone help or guide me in the right direction. Thank a ton in advance
Maybe you can upload some sample pictures for us to know whether its normal like everbody else or a hardware problem.
as a dedicated DLSR user i can tell you that you couldn't expect the phone images to be in extra good quality as those ones taken with the real photo-camera...
the image sensor in mobile phone is much smaller than in real camera, and you also don't have the real optical lens in the mobile phone...
although, my lg optimus images are good for shooting family and friends when i don't bother about the image quality itself...
did you try some camera applications that give you a possibility of ISO (100, 200, 400, 800) and EV changing (+-3)?
(higher iso/EV gives you a better result in pure light conditions but you can expect some image noise due to poor phone image sensor - even my DSLR camera starts to pull some image noise when i shoot in higher iso modes)
but as tablights said - it would be more helpful if you've posted some images here...
i hope i helped a bit... i'm a newbie to XDA so i apologize for late response...
Why cm10 camera cannot record continuously at 30fps?
be it 720p or 1080p.....frame-rate always drops in low light.
I want a camera which records at 30fps continuously irrespective of the lightning conditions...the same way we had on stock.
Why is fps issue there?It is similar to the one on HTC devices where fps drops in low light.
its normal behavior for lowlight conditions to have longer exposure shutter times during filming with small lenses in mobile phones
KillerbeeNL said:
its normal behavior for lowlight conditions to have longer exposure shutter times during filming with small lenses in mobile phones
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then why does it not happen on stock ROM?with LG stock cam flashable mod on CM7..continuous 30fps is available.then why not on CM10?
developers is it possible to make this happen?
black_mamba99 said:
then why does it not happen on stock ROM?with LG stock cam flashable mod on CM7..continuous 30fps is available.then why not on CM10?
developers is it possible to make this happen?
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i have used the moded stock cam by AndiCP on GB before to and it should be just a matter of time to have this for ICS roms
black_mamba99 said:
then why does it not happen on stock ROM?with LG stock cam flashable mod on CM7..continuous 30fps is available.then why not on CM10?
developers is it possible to make this happen?
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higher fps @ night = darker videos.
There is a simple explanation here. The lower light means there is more noise in the video. With more noise the encoding engine has to put far more effort to get the compression it needs. However with low light unless the encoder has a denoiser the encoding engine has far more noise to deal with than normal conditions.
If you want a more technical answer: More noise means that the motion-estimation engine of the encoder is thrown for a toss. This is the part that consumes maximum CPU cycles. Hence the drop in CPU cycles.
There is another aspect here: The more the noise, the worse the compression and hence even other parts of the encoder are basically crunching more. More bits are generated which means that the encoding and entropy engines are also crunching more and hence the worse performance.
Generally in high end cameras a lot of noise is removed by the imaging pipeline in the sensor. However don't expect that in a mobile phone sensor. [This is the ISO performance that you see in DSLRs ].
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http://stackoverflow.com/questions/12099845/low-lighting-leads-to-low-fps-when-recording-video
defcomg said:
higher fps @ night = darker videos.
http://stackoverflow.com/questions/12099845/low-lighting-leads-to-low-fps-when-recording-video
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I know that mates.
I don't care about dark videos or more grainy video
since in lowlight or "not the brightest conditions" anything below 30fps isn't pleasing to the eyes...especially fps of 15fps is a joke.
I'd rather have 30fps while sacrificing a bit of quality.
since the cm10 camera doesn't produce any super awesome video in low light by reducing fps
With the HTC One and the Sense camera app, we can get up to ISO 1600 which gives it its superior lowlight performance, but what ISO level represents the lowlight performance of other phones, say the Note 3?
Theshawty said:
With the HTC One and the Sense camera app, we can get up to ISO 1600 which gives it its superior lowlight performance, but what ISO level represents the lowlight performance of other phones, say the Note 3?
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Here (http://m.connect.dpreview.com/post/3690994318/samsung-galaxy-note3-first-look-review) it says that the Note 3 goes up to ISO 1000. The low light performance on the One is a combination of wide aperture(f2.0), bigger pixels(2 micrometers, I think), and higher ISO combined together.. On other phones, pictures will be way more noisy with the ISO turned up.
Sent from my iPod touch using Tapatalk
Theshawty said:
With the HTC One and the Sense camera app, we can get up to ISO 1600 which gives it its superior lowlight performance, but what ISO level represents the lowlight performance of other phones, say the Note 3?
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Hmm problem is that you can't take picture on ISO 1600 because after one min.. it autmaticly goes back to ISO 800 :crying:
EDIT: ISO can go up to 2000 if you choose AUTO ISO
Hello everyone, I just got my Xperia Z1 delivered, and noticed some weird noise when taking pictures with the front facing camera. Is it normal?. Have anybody experienced something similar?
It's normal to have noise in low light conditions like yours in this picture.
It is because camera pushing ISO settings to make picture more lighter.
Sent from my C6903 using XDA Free mobile app
davidfelipeb said:
Hello everyone, I just got my Xperia Z1 delivered, and noticed some weird noise when taking pictures with the front facing camera. Is it normal?. Have anybody experienced something similar?
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It's because you're in the viewfinder. The viewfinder has what, at least 30 frames per second? The image for the viewfinder has to be both made light enough to see in dark areas and show images 1/30th of a second. The only way to achieve this is by increasing the ISO to insane amounts, causing noise like this. Once you take a picture though, the camera can take more time for an exposure and the ISO is lowered, decreasing the noise in the actual image you're taking.
You're welcome :cyclops:
Hermantje said:
It's because you're in the viewfinder. The viewfinder has what, at least 30 frames per second? The image for the viewfinder has to be both made light enough to see in dark areas and show images 1/30th of a second. The only way to achieve this is by increasing the ISO to insane amounts, causing noise like this. Once you take a picture though, the camera can take more time for an exposure and the ISO is lowered, decreasing the noise in the actual image you're taking.
You're welcome :cyclops:
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Thank you very much for your answers. I understand, but, is this normal when using Snapchat?, I mean,Snapchat has its own camera app, and I'm still getting tons of noise in not so low light conditions. In the other hand, my Moto G is giving me not brilliant but a lot less of noise when using the Snapchat camera in the same light conditions. I'm attaching both captures. Thank you in advance for your answers.
Unlocked bootloader, loss of TA partition. it's not normal to have that much digital noise in your photos.
But of course, AOSP purists will nail me to the cross for saying that there's a difference in terms of photo quality between unlocked and locked BL.
Aoi_sora9x said:
Unlocked bootloader, loss of TA partition. it's not normal to have that much digital noise in your photos.
But of course, AOSP purists will nail me to the cross for saying that there's a difference in terms of photo quality between unlocked and locked BL.
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So, what do you recommend me to do? should I ask for the warranty? damn I'm so unlucky...
Hi all. I jus bought this phone, it's great and all, but camera didn't deliver as expected. Moved from LG G3 to Z3 compact, and camera is of lower quality it seems. Some people say that superior auto mode takes better pictures, some say that manual mode take better pictures. I'm not specially interested in detail, it is obvious that 20mp shots do have a lot more detail than 8mp superior auto shots. I am specially interested in noise, sharpness and colour balance. Most of my pics are shot in low light without flash (at home, in the office, in pubs and coffe shops, etc). What mode does deliver less noise and more acurate colours? Manual or Superior auto? I have mixed results in my testing. Thanks allot
cornel.atomei said:
Hi all. I jus bought this phone, it's great and all, but camera didn't deliver as expected. Moved from LG G3 to Z3 compact, and camera is of lower quality it seems. Some people say that superior auto mode takes better pictures, some say that manual mode take better pictures. I'm not specially interested in detail, it is obvious that 20mp shots do have a lot more detail than 8mp superior auto shots. I am specially interested in noise, sharpness and colour balance. Most of my pics are shot in low light without flash (at home, in the office, in pubs and coffe shops, etc). What mode does deliver less noise and more acurate colours? Manual or Superior auto? I have mixed results in my testing. Thanks allot
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Maybe you can find some answers in this thread
http://forum.xda-developers.com/z3-compact/general/stock-camera-google-camera-t2892515
charliebigpot said:
Maybe you can find some answers in this thread
http://forum.xda-developers.com/z3-compact/general/stock-camera-google-camera-t2892515
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I have read this post, it's about stock camera app vs google camera. I am interested only in stock camera performance, not google camera. Thanks anyway
Manual is always better if you know what you are doing.
For indoors or night shots, noise is inevitable unless you use a tripod (at ISO 100/200) and/or your subject is not moving (handheld ISO 400/800). YMMV, increase ISO by a step if what you take is blur.
Auto takes night shot at around ISO 1600-6400 when not using flash.
For accurate colors, use manual white balance. If your scene has lots of neutral colors, then auto wb should reproduce accurate colors.
I use Auto Superior most of the time though, because composition and capturing the moments are more important than noise.
Overall I am happy with this camera considering its size, but it could be better as I believe the software is holding it back.
Pretty much everything is better than Superior Auto mode on this camera in my experience, but I also find the 20MP manual mode tends to waaaay oversharpen images. It's especially evident on high-contrast edges and can ruin many landscape shots.
Superior auto always seems to choose entirely the wrong settings. I've found it almost impossible to take artificial-light indoor portraits, for example, because they always come out blurred whatever scene mode and flash mode I use.
I'd like to pile on. As frustrating as the 2013 Moto X camera was, it's auto functionality, even if it was too aggressive, was much more effective than this one seems to be. I've enabled the 20MP Superior Auto hack but have yet to try it out. Not too hopeful. I wonder if the Moto X camera app is extractable?
LastSilmaril said:
I'd like to pile on. As frustrating as the 2013 Moto X camera was, it's auto functionality, even if it was too aggressive, was much more effective than this one seems to be. I've enabled the 20MP Superior Auto hack but have yet to try it out. Not too hopeful. I wonder if the Moto X camera app is extractable?
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The thing is that even if you're able to port the Moto X app, chances are very big that the app won't be able to use all libs, etc. So in other words the ap still won't work to it's full potential.
Sent from my D5803