Traditional Culture Encyclopedia - Photography major - In photography: What is a dispersion circle?
In photography: What is a dispersion circle?
Due to the limitation of human eye resolution, the diameter of the dispersion circle is less than a certain length, and it can still be regarded as a point. The limit of the diameter of the dispersion ring is usually called its allowable value. Generally, the allowable value of interesting circle of dispersion is the indistinguishable length of ordinary eyes, which is about 0.1mm. Because the imaging distance is different from the clothing distance, the circle of dispersion formed by an object through a camera lens is usually less than 0.1mm.. The allowable value of 135 camera lens dispersion circle is. The allowable value of lens dispersion circle of. 1 or 0.05 mm, 135 camera is strictly limited because l 35 film is used for high magnification.
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