Power source
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Battery. The camera is powered by a non-removable battery. Battery packs of this type usually use a high charge capacity, which is practically unattainable for ordinary removable AA batteries. The non-removable battery is recharged via the micro-USB port. Among the shortcomings, one can note only the inability to simply replace a dead battery with a pre-charged spare battery.
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Batteries. The camera is powered by removable batteries. The battery pack is usually designed for 2-4 AA or CR2 batteries. The main advantage of solutions of this type is the ability to quickly replace dead batteries. Additionally, the user has the opportunity to select the optimal capacity of the battery pack. Among the shortcomings, one can only note the lack of the ability to charge batteries directly in the camera — this option is typical only for models with a non-removable battery.
Screen
The display shows information about shooting modes, remaining shots and battery power. The LCD screen makes it easy to navigate through the camera's setup menus. Note that the normal frame counter is not a display.
Selfie mirror
A small mirror is glued to the front of the camera, usually next to the lens. Using the mirror, you can navigate in which direction and at what distance to hold the camera in order to take a good selfie.
Thread 1/4"
A 1/4" thread allows you to securely and securely fix the camera on a tripod or monopod. The need for a rigid fixation of the camera arises when shooting at a slow shutter speed. This mode is used when shooting in low light conditions, in the evening and at night.