Cheat sheet: Five factors that affect exposure in photography

Photography cheat sheet: Five factors that affect exposure
(Image credit: Future)

Aperture is just one of the factors that controls exposure – and the amount of light that creates the image on the camera’s CMOS sensor. In fact, there are five different factors that make up the right exposure for your photographs. To understand how the factors work together, it can help to think of exposure as being similar to filling a cup with water…

Click the top-right-hand corner of the image to enlarge (Image credit: Future)

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Chris George

Chris George has worked on Digital Camera World since its launch in 2017. He has been writing about photography, mobile phones, video making and technology for over 30 years – and has edited numerous magazines including PhotoPlus, N-Photo, Digital Camera, Video Camera, and Professional Photography. 

His first serious camera was the iconic Olympus OM10, with which he won the title of Young Photographer of the Year - long before the advent of autofocus and memory cards. Today he uses a Nikon D800, a Fujifilm X-T1, a Sony A7, and his iPhone 15 Pro Max.

He has written about technology for countless publications and websites including The Sunday Times Magazine, The Daily Telegraph, Dorling Kindersley, What Cellphone, T3 and Techradar.