1. Through the learner's own practical operation, understand the relationship between aperture and depth of field 2. Observing the changes in the coverage angle of the line of sight when the focal length of the lens changes 3. Simple light source projection changes and screen changes
1. First make aquarium scenes of different landscapes using cardboard
2. Separate the scenes layer by layer and try to keep the objects from overlapping as much as possible.
3. Start operating the camera, preferably in groups of two. Team members need to use flashlights or light sources, and adjust different light sources to take photos of different situations.