Manual exposure mode refers to when the photographer is shooting.

This mode means that the photographer completely controls the exposure parameters of the camera when shooting.

According to the lighting conditions of the shooting environment and the creative effect to be achieved, these parameters are manually adjusted to control the exposure of photos. Manual exposure mode allows the photographer to have the greatest control over the shooting results, and can achieve accurate exposure control under various complex lighting conditions. This is especially important for photography scenes that need precise light control to achieve specific artistic effects or technical requirements, such as shooting in low light environment, night photography with long exposure, or sports photography that needs freeze motion.

When using manual exposure mode, photographers need to deeply understand the basic principles of photography, including the relationship between aperture, shutter speed and ISO, and how to affect the exposure, depth of field and motion blur of images. In addition, photographers need to learn to use the camera's exposure compensation function to evaluate whether the exposure is accurate by looking at the camera's histogram or using the exposure meter.