Questions tagged [smartphone]

A smartphone is a telephone that is also capable of running programs, usually called Apps. They almost always have cameras in them.

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1answer
1k views

Can I take clear night sky photographs with my smartphone?

is it possible to take clear night sky shots with stars/ planets visible from Redmi Note 4? what settings do I use? when I try to take it just comes black, unless on full moon day with HDR, though ...
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5answers
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What causes these streaked rays from light sources?

I recently bought an LG G4, whose camera can shoot in an auto and both manual mode (I can manually set the iso, aperture). I shoot 100% of the time in auto. It takes better than average photos at ...
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1answer
9k views

Why the faces in the corner tends to skew a bit in almost all smartphone cameras

I have noticed in almost all the smart phones I have used, the faces of people in the corners (either side) tends to skew a bit in all smartphone cameras. Is it something the lens is not as good as ...
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How to estimate camera sensor size?

I am using a smartphone for capturing photos and I need to estimate the camera sensor size (mm*mm). I have the resolution (in pixels) and the focal length (in pixels). I can also measure the size of ...
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6answers
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How well do smart phone light meter apps work?

There are a number of smart phone apps which use the phone's camera as a light meter. How well do these work? The metering built into most modern cameras is very powerful and accurate, but in some ...
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5answers
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Why don't smartphone cameras correct pincushion distortion automatically?

I've previously asked why the GoPro doesn't automatically correct for the fisheye distortion, and this question is related, but different: Given that smartphones have so much processing power nowadays ...
21
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2answers
42k views

How does focus work on mobile phone cameras?

How does focusing work on mobile phone cameras? Aren't their optics simple enough to not have any moving parts whatsoever? If so, how come most smartphones have an auto-focus, and with various ...
4
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3answers
906 views

How to take photos of planets with smartphone?

I'm not sure if this the right forum to post this question. I'm trying to find what is the best option to take photos of planets using smart phone. I have a Google Pixel XL, and I'm looking for a good ...
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1answer
155 views

Why do I need an add-on lens to take smartphone macro photos?

Why do you need an external macro lens for a smartphone to take macro photos. Why can't the smartphone lens itself take macro photos?
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2answers
51k views

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

I know cell phone cameras are generally wide angle, which makes sense because people wanna go out to dinner, or a show, or at the park with their kids, and they want to get the whole scene. And even ...
2
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1answer
268 views

How to enhance a cameraphone photo so you can see stars?

In the context of star photography, clearly you are not going to get as good of a photo with a smartphone camera as you could with a real camera and a long exposure. However, provided you have taken a ...
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4answers
2k views

How to choose a good smartphone if the top priority of the user is photography?

At the current rate by which technology is improving, I believe that mobile photography is not far behind their DSLR counterparts, generally speaking. However, for amateurs like me, it is quite ...
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is it possible to get “bokeh balls” using a cellphone camera?

Is it possible to get "bokeh balls" using an cellphone camera? I'm using an iPhone but the question could apply to any cameraphone. bI'm sure there are a lot of apps which allow you to insert fake ...
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2answers
8k views

How to film a eclipse of the sun with a phone cam?

as you can read in the title I want to make a photo and a video from a solar eclipse. It should be very simple, fast and cheap, cause in 12 hours after I post this is the eclipse. I have only a Galaxy ...
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13answers
7k views

How important is a good quality camera for good photography? [closed]

Don't know if this is already a known thing/wiki/previously asked here, but basically: How important is a good camera for actually making strides in photography/doing well? I've done some photography ...
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3answers
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Phone camera (Samsung S4): is it possible to determine the distance to the object in focus on jpg picture?

I took a picture with Samsung S4 phone. Is it possible to determine the distance to the object on the picture? The object is in focus. I looked at the JPG picture properties but could not find ...
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8answers
9k views

Can an old DSLR be upgraded to match modern smartphone image quality

I love photography, however, I had a 5 years break. I am on budget. I got my old canon eos 500d (standard lens kit) and was impressed how badly it compares with modern smartphones. I wanted to get a ...
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5answers
4k views

Does the detail in an image affect how large the image file is?

I just took two photos on my smartphone. One of a table surface with nothing on it and another of a cluttered table top full of detail. The clear photo was 3.5 MB and the cluttered one was 5 MB. How ...
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2answers
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Can the Canon 6D connect to a phone's WIFI hotspot and talk to the Canon app on that phone?

Is the Canon 6D capable of talking to a phone over the phone's WIFI hotspot? What I want to accomplish is to connect the camera to the phone without losing internet access for easy sharing of images ...
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2answers
563 views

Is “Ultrapixels” just marketing or is there a real benefit?

HTC has branded the sensor in its new phone (the HTC One) to be "Ultra pixels". For the same sensor size it only gives you 4MP where today's standard for top of the line smartphones is 8MP and up. Of ...
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4answers
4k views

Why my DSLR is not as sharp as my smart phone?

I recently bought a Nikon D5500 camera with two lenses: 18-140mm f/3.5-5.6G ED VR and 50mm f/1.8G. When I compare the results with my advance smart phone (Samsung Galaxy Note 5), the sharpness is not ...
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2answers
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How do recent smartphone obtain higher resolution pictures through pixel binning

First of all I should assert the fact that I have no particular knowledge in photography. I am not qualified to understand technical processes. However, I recently came accross some debates about ...
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2answers
261 views

Is it possible to use a smartphone/tablet's 3G/4G network to transfer Eyefi photos?

I know that Eyefi cards can use Wi-Fi networks to transfers photos. I also know that there's some sort of smartphone/tablet app that you can download to do various things with your Eyefi card and ...
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1answer
484 views

How do add on macro smartphone lenses allow you to take macro photos?

It may sound obvious, but how exactly does an add on macro lens allow you to take close up photos? Can someone give technical reasons? I'd like to know the physics behind add on macro lenses and how ...
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4answers
670 views

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

The 9to5Google article Exclusive: Official Pixel 4 camera samples show astrophotography, selfies, more [Gallery] shows some surprisingly nice (at least to me) photos of the Milky Way. Every phone ...
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Why is view on camera different from actual output viewed on phone?

I have a Nikon D5600. When I use telephoto lens (70-300 mm) for bird photography, on full zoom the bird does appear clear and near, but when the actual photo is produced, the bird appears far. When ...