It was taken in a small studio, and the other parts were exposed normally, but the main body of the flower was not exposed enough, and all M files were tried.

Method 1: In av mode, the metering mode is changed to spot metering and flower measurement. (The darker the point-to-point position, the brighter the picture. )

Method 2: change M mode, sio200, shutter 80, the first stop of the aperture, F5.6, and the middle vertical line is one grid to the right.

Method 3: Turn off the lights, move to a sunny place, let the light shine on the flowers and shoot under the light.