SMART PHOTOGRAPHY with KARL FEHLAUER
THE EXPOSURE TRIANGLE Welcome back to my latest article on smartphone photography. So far, I have discussed what smartphone (or small sensor) photography is, some techniques for getting better images and how to set up your camera settings in your phone. I hope that you have enjoyed these articles and found them useful.
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n this article I will cover what is known as the ‘exposure triangle’ so that you understand how to capture an image with the exposure that you want. Notice I didn’t say ‘the correct or perfect’ exposure but more on this shortly. Smartphones and tablets have revolutionised the way many people take photos, and more photos are taken by these devices every day than any other camera device in the past. By combining a camera with a smartphone (and tablet) it has given instant access to everyone to enable them to take a photo immediately as everyone has at least one (if not more) devices on them at any time.
photographers want to be able to create their own image based on what they see, the exposure they want and the mood that they are trying to create. As I mentioned above, there isn’t a ‘correct or perfect’ exposure because each of us has different likes and dislikes and what one person thinks a good exposure is, another may not. Essentially, an image’s exposure can either be over-exposed, under-exposed or somewhere in between. An over-exposed image is usually very bright with lots of detail hidden in the brightest part of the image, whereas an under-exposed image is usually dark with lots of black and detail hidden in the shadows. It is usually easier to recover
For most people using their smartphone camera, they simply open their camera and take a photo using the camera’s auto settings and are happy with the result as the camera uses computational algorithms to determine what the best exposure settings are before it takes the photo. In most cases the camera ‘gets it right’ based on what it thinks the correct or perfect exposure is (or should be). However, this isn’t always the case and sometimes the images don’t work out or the photographer isn’t happy with the result. Also, there will be a time when some 152
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