(Good composition can make the photos present a very visual impact scene and vividly tell a complete story. By artistically arranging the various parts of the frame, the photographer can use his skills and creativity to influence the expression of the frame. The 48 key techniques of photography composition for taking good photos divides the composition knowledge required for beginners into 48 photography rules, which are designed as interesting reading methods one by one. Readers can break through like a game, challenge step by step, better master each photography composition skill and create more creative works.Light and exposure are prerequisites for photography. Before taking photos, there are many technical problems to be solved, and the first problem to be solved is light. Without light and proper exposure, there is no good photography. The key skills of 49 photographic exposures to take good photos divides the exposure knowledge required for beginners to get started with photography into 49 photography rules. It is designed as an interesting reading method. Readers can break through like a game, challenge the level, better master each photographic exposure technology and create more creative light and shadow masterpieces. Starting with the light characteristics and exposure settings, the photographic exposure is described step by step and systematically.)