How to Sharpen Photos – PictureCorrect: "One thing to note about digital photos before we on… the picture format which you use. If you’ve set you digital camera to capture in JPEG format, it is likely you’ve encounter some loss of quality in the picture due to image compression. In this case, it does make sense to apply sharpening on the photo. If, however, you’ve selected to shoot in RAW mode, then you’ll unlikely face any image degradation – sharpening a RAW image isn’t necessary as often."
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