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28 votes
Accepted

How can a camera be both 12MP and 1080p, when 1920x1080 is just 2,073,600?

The 12MP designation is usually used to refer to still photography while the 1080p designation refers to video. The sensor has 12 megapixels - sometimes a little more which gets masked out. This ...
Itai's user avatar
  • 103k
19 votes

How can a camera be both 12MP and 1080p, when 1920x1080 is just 2,073,600?

1080p refers to video: 1920×1080 progressive scan. The phone is capable of 12 Mpixel still images but only 1080p video. (This is fairly typical; it takes a lot more processing power to take video at a ...
j_foster's user avatar
  • 490
15 votes
Accepted

Continue taking photos from smartphone or buy a camera to practice?

You should shoot with your phone - best way to get better is to shoot more, which is great if you already enjoy it. But you should get a dedicated camera if you're interested. They work differently ...
Jeremy S.'s user avatar
  • 563
13 votes

Can smartphones with the same camera sensor have different image quality?

Note: This is a simplified answer. It does not go into detail, and therefore, please do not take it as authoritative answer on specifics about the exact processes that take place inside a digital ...
flolilo's user avatar
  • 6,478
12 votes

How to estimate pixels per degree for an image from a camera phone using EXIF data?

I assume this is a still frame from a video, because 16:9 is a common video ratio. In order to maintain constant frame size, "digital zooming" needs to be reinterpolated. Thus, yes, you need to ...
scottbb's user avatar
  • 32.9k
11 votes

Can smartphones with the same camera sensor have different image quality?

To take a digital picture you need: Optics Sensor Image processing (CPU and algorithms) As you see, sensor is just a one link in a chain, and the chain is as weak as it's weakest link. Currently, we ...
Agent_L's user avatar
  • 2,090
9 votes

Can I change the camera aperture value on my Honor 8 phone?

Camera phones don't have variable apertures (apart from a handful exceptions) because they are not designed like full sized cameras. Owing to their tiny size, decreasing thickness of phones in general ...
suvartheec's user avatar
8 votes

How do I make a perfect photosphere?

What you're running into, in terms of the places where the photos don't join up seamlessly, could be one of two issues. It could be that you missed covering that part of the scene (blank screen; no ...
inkista's user avatar
  • 52.5k
8 votes

Canon G12 vs 2022 phones

Aside from @xenoid's points, there're a lot of great features with the PowerShot G series that you're in no way gonna get from a phone, if you're into the technical side of photography: Hot shoe for ...
techolic's user avatar
  • 496
8 votes

Canon G12 vs 2022 phones

Let me add few point (for G12) to previous excellent answers: you can take pictures in RAW. And G12 support 12 bits per pixel (can't find definitive information). On most of phones is real challenge ...
Romeo Ninov's user avatar
  • 12.2k
7 votes

What is the focal length on your typical cell phone camera?

Focal length does not change with sensor sizes - what actually changes is the field of view: FOV [°] = 2 * arctan ( d [mm] / (2 * f [mm]) ) ...
flolilo's user avatar
  • 6,478
7 votes

Continue taking photos from smartphone or buy a camera to practice?

Although a "system camera" (an interchangeable lens camera made to work within a certain system of lenses and other accessories) captures way better pictures than a phone, still the art of photography ...
user151016's user avatar
7 votes

What hardware specifications make a great phone camera?

With phone cameras it is as much about the computational things done to it after the raw data is collected from the sensor as it is about the hardware specs. You can certainly use hardware bad enough ...
Michael C's user avatar
  • 175k
7 votes

Canon G12 vs 2022 phones

Are there things it can do that a recent high-end phone cannot? Yes, take natively good pictures. Even if phone cameras have made progress over the last 10 years, the pictures they take may look good ...
xenoid's user avatar
  • 21.5k
6 votes

Continue taking photos from smartphone or buy a camera to practice?

I would like to know whether it's OK to practice photography with phone's camera until I buy a camera or buy a camera and go ahead? Of course it is. No photographer can take photographs without a ...
inkista's user avatar
  • 52.5k
6 votes

Can smartphones with the same camera sensor have different image quality?

Probably the same image quality, but not necessarily. It's not only the sensor that takes the picture. It's also the lens. The sensor doesn't have an integral lens, it's the camera manufacturer that ...
juhist's user avatar
  • 6,780
5 votes

What are the advantages of a low-cost compact camera vs. a high-end smartphone for photography?

Here are just some examples. Low light photography You say that your main concern is low light photography. This is actually an area which will show a significant difference. On a continuum ...
thomasrutter's user avatar
  • 13.6k
5 votes

Are there particular limits to camera phone print size, beyond general rules of thumb?

Apple made billboard advertisements using iPhone images. Even for phones with a mere 8 mp, I'd expect lens sharpness to be the limiting factor. You'll have to photograph a resolution chart with your ...
xiota's user avatar
  • 27k
4 votes
Accepted

Camera Phones with longer focal lengths for Portraits?

Short answer: not yet, but getting better. There is a current trend of putting multiple camera assemblies with different focal lengths in high-end smartphones. These tend to have one moderate wide-...
mattdm's user avatar
  • 143k
4 votes
Accepted

Milky Way with a cell phone, how is this possible?

This article on googleblog goes into details how the Pixel's Night Sight mode works. Basically, it is using the well-known stacking technique, which Michael C already mentioned, together with some ...
ths's user avatar
  • 7,171
3 votes

How do I calculate the depth of field of cameras on mobile phones with auto focus?

For one mobile phone, if \$f\$ is changed, \$s\$ varies immediately \$f\$ doesn't change unless you switch the lens, which implies a different phone or a different camera on the same phone. Focal ...
j-g-faustus's user avatar
  • 3,743
3 votes

How can a camera be both 12MP and 1080p, when 1920x1080 is just 2,073,600?

The difference is that the video image is processed from still frames. The data transfer rate for full sensor resolution (i.e. 12 Mp) would be too high for normal use and there's no standard for such ...
StephenG - Help Ukraine's user avatar
3 votes

How to best take a picture of a screen, like a computer monitor, with a phone camera?

On the iPhone, taking the picture in HDR mode gives you a composite of three photos taken and low, medium and hi range. As a result you are likely to catch all of the pixels at least once.
Vinny's user avatar
  • 31
3 votes

Rear or Front Facing Camera through EXIF Data?

I can't speak for all phones, but a look at EXIF for the iPhone 5, I've noticed that the Lens data element tells you a fair bit: Rear camera: iPhone 5 back camera 4.12mm f/2.4 Front camera: iPhone 5 ...
Joanne C's user avatar
  • 33.1k
3 votes

How to avoid perspective distortion when taking selfies?

The most simple answer is a mirror. The distance from the camera to the mirror and back to the subject is optical distance. The additional optical distance will go a long way to reducing most ...
Michael C's user avatar
  • 175k
3 votes

Milky Way with a cell phone, how is this possible?

Is there some "secret sauce" or special image processing that makes it possible to see these dim, diffuse areas above sensor noise? Regardless of what type of camera one is using, the "secret" to ...
Michael C's user avatar
  • 175k
3 votes

Are DXO scores of mobiles and cameras directly comparable?

No. The score for different categories of cameras are independent of one another. They're not only on different scales, but some of the categories for which they are evaluated differ as well.
Michael C's user avatar
  • 175k
3 votes

white is gray in some areas?

There are two things probably going on here... The first is a metering issue...Cameras are smart, but they're not people. The meters assume a scene that is middle of the road, not super contrasty. ...
OnBreak.'s user avatar
  • 20.5k
3 votes

What is the guide number of a smartphone "flash"?

The guide number of a flash is determined as the F-number multiplied by the distance that gives a proper exposure. The guide number is different for different ISO sensitivities, but they are typically ...
juhist's user avatar
  • 6,780

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