Traditional photo editing is ‘destructive’. That means every adjustment you make permanently changes the pixels in the photo and there’s no way back unless you’ve saved a copy of the original and you’re willing to start again. ‘Non-destructive’ editing is fully reversible. You can go back and undo or redo all of your editing work […]
Usually when you take a picture the camera will process the data captured by the sensor into an image file. More advanced cameras can save the image in its unprocessed state – a RAW file – so that you can do the processing yourself later on your computer.
All digital data is made up of ‘bits’, and that includes digital images. In computing, ‘bits’ are either on or off, so there are only two possible values. But when you use them together the combinations are multiplied so you can record a much wider range of values. The number of bits used is the […]
The color of light can vary considerably depending on the time of day and whether you’re shooting in natural light or under artificial light. Our eyes and brains constantly adapt, but the camera records color exactly as it is, which can lead to unexpected color casts and shifts in pictures. Digital cameras can correct these […]