Now that you have your DSLR and you've been learning different settings like aperture and shutter speed, it's time to think about files and formats! Have you ever heard of shooting in RAW and wondered what it really means? Are you crazy frustrated at how BIG these files are and that they take up so much room on your computer? Let's figure out what the heck RAW means, when to use this file size and how it's different from a regular good ol' JPEG file.
JPEG FILES
A JPEG file is a standard format that is processed right inside your camera. Every camera processes these files differently. In a nutshell, your camera automatically adds a few edits such as brightness, sharpening, blacks and contrast to a photo. It will then compress the information, making it a smaller file size. These compressed JPEG files can be viewed and printed right away by any photo program on the market. It's important to note that JPEG files discard some of the image information and detail, which cannot be brought back.
This leads us to a term called DYNAMIC RANGE. This term describes the range of the shadows and the highlights in an image, or the darkest and brightest areas. JPEG files don't have the full range of detail in those areas like RAW files do.
RAW FILES
A RAW file is is a file format that is complete or lossless, containing all of the data that comes from the camera's sensor. It is NOT processed, so the files usually look a little darker and flat. RAW files have to be processed and viewed using the software that came with your camera, or another popular program such as Adobe Photoshop, Lightroom, Aperture, etc. before having a photo ready to be displayed or printed. Raw files have a higher dynamic range (more detail in the highlights and shadows). A RAW file will save as .NEF on a Nikon camera and with a Canon camera, the file will be .CRW or .CR2.
Here's a quick example of an image with a RAW file (left) and the JPEG file (right). You'll notice the JPEG photo on the right has more contrast, blacks and brightness added to it. These are untouched so you can see the difference between a RAW and a JPEG file, straight out of the camera.