What's the difference between the settings in the camera (to avoid flicker) 50Hz and 60Hz?

50Hz commercial power, 60hz commercial power. Because of the mains frequency, some lights will flash 100 times per second (twice the AC frequency), and interference fringes may appear when the shooting frame frequency is different. You can try to shoot the computer screen with your mobile phone.

JPG is a lossy compression format with small file size, which is suitable for preview and batch processing. RAW format is called original file, which is an unprocessed and compressed format for later adjustment.

The original file of Leica camera belongs to DNG. Generally speaking, JPG is enough for photos that have no special needs and are recorded at will. For those photography creations that JPG can't meet the demand, we should save DNG at the same time, so as to have more creative space later.

JPG is a lossy compression format with small file size, which is suitable for preview and batch processing. RAW format is called original file, which is an unprocessed and compressed format for later adjustment.

The original file of Leica camera belongs to DNG. Generally speaking, JPG is enough for photos that have no special needs and are recorded at will. For those photography creations that JPG can't meet the demand, we should save DNG at the same time, so as to have more creative space later.