Traditional Culture Encyclopedia - Photography and portraiture - What aperture does t 1.5 equal?
What aperture does t 1.5 equal?
F value, which does not include other factors, such as lens and coating. , will affect the actual luminous flux. It is very likely that the lens with large aperture, such as 50 1.8 lens, has a t value of 2. 1, 2.2. Because when we take pictures, the error tolerance rate of the pictures is very high, so this difference has little influence on the pictures. However, everyone watches movies, and friends who know about film and television photography should know that the focal plane is generally marked with t value. Because the film's fault tolerance rate is limited, and in order not to destroy the picture atmosphere, it is represented by t value.
T value is the most accurate compared with F value, so you can know the quality of a shot by looking at T value. Leica 50 0.95 sold for more than 70,000 yuan, but its F value is the same as its T value, which is enough to know Leica's optical technology, and it is also expensive.
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