http://www.adorama.com/alc/taginfo/sharpness <p><span style="font-size: small;"><span style="color: #000000;">Digital noise is a problem for photographers, especially if you're shooting in low light at high ISO settings. The problem is even more pronounced when using a compact camera. </span></span></p> http://www.adorama.com/alc/article/11236 <p><span style="font-size: small;">Optical image stabilization or anti-shake works by moving the image to counteract the effects of handheld camera shake&mdash;some systems use a moving group of elements in the lens, others move the sensor itself, and some also set a higher ISO when motion is detected so the camera will select a higher shutter speed. </span></p> http://www.adorama.com/alc/article/8343