How to Take Professional Photos on Your Android Phones

Photography on Android devices has come a long way – certainly not in the same league as a DSLR under certain conditions, but getting closer. But the thing I see is that a lot of people purchase these phones with 21mp dual-lens cameras, and then leave their camera app on automatic or default settings. It’s like buying a Porsche and doing 40mph on the autobahn.

So the purpose of this guide is to help you understand what each and every setting in most camera apps does to your photos, and scenarios where you want to adjust them. I will provide example comparison shots from my own phone, an Infinix Zero 4 which has a 16 MP f/2.0 Sony IMX298 camera in it.

You may also want to read: How to Enable Camera2 API and Shoot RAW on Android

Focus Modes

Most camera apps have a variety of focus modes, but they’re typically named the same thing. The most common modes are:

  • Auto – This largely depends on your phone’s camera hardware. It could use for example ‘active autofocus’ which utilizes ultrasonic sound or infrared lasers to determine the distance between the camera and the object being photographed. Or it could use ‘passive autofocus’ which analyzes the image through the viewfinder and does a few algorithms to determine the best area to focus.
  • Infinity – Contrary to popular belief, infinity focus does not mean an “infinite amount of focus”, as in everything in the image will be focused. What infinity focus does is try to focus on something that is an “infinite distance” away from you – rays of light from the sun, for example. So basically, this is the ideal mode for shooting sunrises, starry skies, etc.
  • Macro – Consider this the opposite of infinity focus. It’s for extreme close-up shots, such as when you want to capture the tiny veins in the petals of a flower.
  • Continuous – This focus mode is for capturing objects in motion. A person riding a bicycle, for example. As soon as you press the shutter button, the camera will attempt to bring the object in motion into focus, reducing motion blur.

ISO

ISO is an important yet often overlooked setting. It affects your camera’s sensitivity to light – without going into too much detail, lower ISO will typically mean a darker picture, but with more detail. Higher ISO means a brighter picture, but there will be ‘noise’ like TV static, especially if the scene was already bright. You want to set the ISO higher when you’re taking a picture in a dark scene, and lower when you’re in a bright scene. ISO typically ranges from 100 to 1600 on Android cameras, though specialized point-and-shoot cameras can have ISO ranges up to 500,000 and beyond.

<Two photographs of the same object – the first is ISO-1600 with macro focus, the second is ISO-100 with infinity focus. Notice how much artifacting appears in ISO-1600 compared to ISO-100 setting>

That’s a really simple explanation, but ISO has other purposes besides just making pictures darker and brighter – because ideally, you are combining the ISO with focus, depending on what you want to capture. For example, let’s say you want to capture the smoke coming from a burning incense stick. Ideally, you would have a source of light aimed at the smoke to highlight the details of the wisp trails, then use macro focus + a low ISO setting so that the light source doesn’t interfere with the details of the final result.

Exposure Value / EV

Exposure Value is used to adjust how sensitive your camera is to bright and dark areas in the same scene. For example, if you’re shooting a landscape of trees on a bright sunny day, but there’s a lot of dark shadows. So if you don’t adjust the settings, you may get a picture that has ridiculously bright green foliage where the sun hits the trees, and super dark almost pitch-black shadows in other areas. So by adjusting the EV, you tell the camera to compensate for these differences in light, and try to evenly balance them.

So if you’re capturing a dark scene with a few bright areas, like a night-time city street with a few neon signs, you should lower the EV. And if you’re shooting a bright scene, like a beach or sun reflecting off white snow, you should raise the EV.

Photo Mode

This largely depends on your device and the app you’re using, but in many camera apps that offer manual controls, you can also change the photo mode to these:

HDR – This will shoot photos in High Dynamic Range. The camera takes multiple shots at different exposures, and combines them into a single image. So typically in HDR mode, your camera will take 3 pictures – a dark one, a bright one, and a normal one. It will then combine these 3 pictures into one, to give the best brightness range. It’s a bit like an automatic Exposure Value, and it works best when you’re shooting bright scenes that have a few areas of darkness. The drawback of HDR mode is that it takes longer to process the final photo, and you have to keep an extremely steady hand while snapping the photo – you’ll typically want a tripod when using HDR mode.

DRO – DRO is Dynamic Range Optimization, and it’s similar to HDR mode in what it achieves, but DRO processes the images faster than HDR, and it’s also compatible with older camera API software in Android devices. So think of it like HDR-lite mode.

EXPO[] – This is basically HDR mode on steroids, because you can control how many photos it takes, and at what exposure values. However, instead of combining the photos into a final shot, you need to manually transfer the photos to a photo software for processing them into an HDR image.

Standard photo, ISO-200, infinity focus

 

DRO photo, ISO-200, infinity focus

White Balance

This basically adjusts the temperature of the photo, which affects the color of white objects in the final photo. For example, if you’re shooting pure white snow, it might have a blueish tint in a photo that was taken under a cloudy day and standard white balance. So if you want to accurately capture the whiteness of objects, you need to manually adjust the white balance, or select a pre-set depending on your lighting conditions.

Scene Mode

The available scene modes are dependent on your camera drivers, so they vary between devices. But typically, the available scene modes would be things like “fireworks”, “beach”, “night portrait”, etc. The idea is that you would choose a scene mode depending on the type of scene you’re shooting, and the camera tries to automatically select the best settings for that sort of picture.

Kevin Arrows
Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget.

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How to Take Professional Photos on Your Android Phones

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