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Camera modes explained -
on your phone, or on your camera.

There's a possibility you've never even noticed your camera, or phone, even has camera modes.

They're designed to get the best possible photo from the scene you're photographing, and, these days, as the number of cameras and camera phones grow, the number of camera modes seems to keep growing too.


If all you do is load up the camera app on your phone, or just turn your camera on and then simply get on with it, you are probable using the 'automatic' shooting mode.

Nothing really wrong with that - it probably takes a half decent photo most of the time.

Dig a bit deeper to find the camera modes

They're in there somewhere, buried in the settings menus.

Once you've found them, the next question might well be, what are they all for?

Good question!

Here I've gone through the main shooting modes you're likely to find so that you'll know which one to use, when to use it, and what the camera, or phone, is doing 'under the hood'.

First of all, a little bit of explanation about exposure will help. I'll keep it simple on this page, but here's where you can find out more about understanding exposure if you wish.

So, some basics ...

There are three things that control exposure on your camera or phone:
  1. the shutter
  2. the aperture
  3. and the ISO
The ISO is a measure of how sensitive to light your camera's image sensor is - the higher the number, the more sensitive to light it is. I'll concentrate here on the other two variables - the shutter and the aperture:
  • The shutter - your camera has a shutter which opens, exposes the image sensor to light, and then closes again.
  • The aperture - this is a hole in the lens that can get larger, to let more light in, or shrink a bit to let less light in.
In simple terms, as one gets bigger, the other one has to get smaller to compensate.

So ... if you make the aperture bigger, the shutter speed has to get smaller to compensate.

How is this relevant to camera modes?

shutter priority camera modeWell, one of the most common camera modes is shutter priority (sometimes called 'time value').

If you have a camera phone it's probably just called shutter priority.

If you have a digital SLR it might be labelled 'S' or maybe 'Tv' (for time value) - they mean the same thing.

If you choose this shooting mode here's what happens:
  • You choose the shutter speed
  • The camera will choose the correct aperture to match your shutter speed
  • Done!

shutter priority camera modeWhat could be described as the opposite of this is Aperture priority.

If you have a camera phone it's probably just called aperture priority.

If you have a digital SLR it will be labelled 'A'.

If you choose this shooting mode here's what happens:
  • You choose the aperture
  • The camera will choose the correct shutter speed to match your shutter speed
  • Done!

shutter priority camera modeThen there is a third option, and this is the one many people stick to ...

... auto, or, on a digital SLR camera, probably called program, or just 'P'.

If you choose this shooting mode here's what happens:
  • The camera chooses an appropriate shutter speed AND aperture for the scene
  • Done!

Auto is the simplest camera mode to use, but is the most restrictive

Because you, the photographer, have no control over what the camera decides is the best shutter/aperture combination, Auto leaves you at the mercy of the camera to get the exposure right.

Finally, there's the complete opposite of auto - manual mode.

If you choose this shooting mode here's what happens:
  • You choose the aperture
  • You choose the shutter speed to go with it
  • The camera will let you know if the photo will be over, or under, exposed
  • You choose to ignore the over/under exposure advice or make changes to your settings
  • Done!
However, if you're using a camera phone the chances are this mode isn't available to you; but you do have other options!



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