Hot Pixel Test
The freeware Hot Pixel Test helps in identifying defective pixels (hot pixels) on CCD sensors of digital cameras. As basis serves an entirely black day photo. Hot Pixel test analyses each pixel individually and lists all the defective pixels. Hot pixels themselves are a regular phenomenon that occur in manufacturing tolerances and exists by every digital camera model. However, a certain number of pixels should not be exceeded. Also this effected pixels should not be visible on normal photo printings.