What can be replaced by a SLR digital camera to achieve different shooting effects?

1. lens: one of the main features of SLR digital cameras is that the lens can be replaced. By changing lenses with different focal lengths, apertures and special effects, photographers can shoot according to their own shooting needs, such as super wide-angle lenses suitable for landscape photography, telephoto lenses suitable for long-distance or sneak shots, and macro lenses suitable for shooting details and insects.

2. Filter: The filter is an optical element installed on the lens, which can change the light entering the camera. Common filters include neutral density filter (to reduce exposure), polarization filter (to eliminate reflection) and color filter (to change the color of photos).