Digital cameras don’t capture ready-made images. The data captured by the sensor has to be processed first. This happens automatically and instantaneously if you set the camera to shoot JPEG images. Many cameras don’t give you any other option. However, more advanced models like high end compact cameras, DSLRs and mirrorless cameras will also let […]
Metadata
Any information embedded in a digital photo. It can include time, date and shooting information (EXIF data) embedded by the camera, keyword, caption and copyright (IPTC data) added by image cataloguing programs and, sometimes, image processing data added by non-destructive image-editing programs.
Non-destructive editing and how it works
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 […]