SD cards are a storage medium used in digital cameras, mobile phones and other devices. The name is an abbreviation of Secure Digital. When choosing a memory card, consider the type, capacity and speed you need...
Located behind the lens, the sensor (sensor chip) captures the image and is one of the most important elements of a camera. You can imagine it as a removable plate with millions of points (pixels), which records light intensity and other image information (such as colour), before sending it to the processor for further processing.