ISO is the sensor sensitivity in digital cameras, in which the signal (light) is amplified; in film cameras, on the other hand, the ISO numbers define “film speed”. The higher the ISO setting, the more sensitive the sensor or film become to light, which can become handy in low light conditions. The drawback of using [...]
There are two types of compression: lossy and lossless. Lossy file compression, like JPEG for instance, means that files get reduced in size by removing information stored in them, thus losing details. The information lost while compressing a file this way can never be restored. Lossless compression, on the other hand, preserves all the details [...]
The AF Frame, or Auto Focus Frame, is the area of the composition where the camera focuses. It’s in the centre by default, and, in many cameras, it can be set manually to another area. This is very useful if the photographer needs to focus on a subject while keeping it off-center. Refer to your [...]
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