RAW VS JPEG OVERVIEW

This article is designed to teach you the differences between RAW and JPEG (JPG) from a pragmatic real world point of view.Shooting RAW vs JPEG is a question that every photographer faces at some point. There are many articles out there that cover the topic from the basics of size and quality, to all of the advanced technical details regarding colour bits per channel, compression, firmware DCT processing, etc.

So, here is the disclaimer, if you want the technical details regarding RAW vs JPEGs, Wikipedia and other sites have great technical primers discussing the basic technical differences, a brief Google search will also unearth loads of additional more in depth technical resources as well.

GENERAL DETAILS REGARDING RAW AND JPEG

JPEG – JPEG files are processed right within the camera. How exactly they are processed varies from model to model. While colour temperature and exposure are set based on your camera settings when the image is shot, the camera will also process the image to add blacks, contrast, brightness, noise reduction, sharpening (which you can see in the example above) and then render the file to a compressed JPEG. These files are finished and can be viewed and printed immediately after shot.

Remember, because the image is compressed and saved to JPEG which is a “loss” file format, much of the initial image information and detail is discarded and cannot be recovered. You may hear the term “Dynamic Range” used a lot when discussing RAW files vs JPEG. Dynamic Range is simply the amount of tonal range detail from the darkest shadows to the brightest highlights. Dynamic Range detail in JPEG files is significantly reduced as compared to RAW.

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