After watching many high-definition movies, the camera can take very clear and noise-free pictures in very dim light. What equipment do they use?

Large aperture lens, domestic camera for filming. Most of the cameras are ARRL (Alai) cameras, and the camera photography film is better than the digital image sensor. Moreover, the lens is the focal plane of Zeiss. Most of these lenses are fixed-focus, with a particularly large aperture, and some can reach F0.95. This kind of lens is also very expensive, generally 70,000 to100,000! Also, the relationship between filming is all played out. The price of a set of movie lighting equipment ranges from hundreds of thousands to millions. You can also take pictures when shooting, and measure light accurately in the exposure instrument!