MPL-B1520U-HJ72AA
曝光时间是指相机在拍摄时对物体进行光照的时间,通常用“毫秒”来表示。曝光时间过短会导致图像过暗,而曝光时间过长则会导致图像过亮。在选择曝光时间时,应该根据拍摄物体的光照情况和所需图像质量来进行调整。
第五步:选择ISO感光度
ISO感光度是指相机对光线的灵敏度,通常用数字表示。ISO感光度越高,相机对光线的灵敏度越高,可以拍摄到更暗的场景,但是也会导致图像噪点增加。
因此,在选择ISO感光度时,应该根据实际拍摄环境的光照条件和要求的图像质量来确定。如果光线充足,可以选择较低的ISO值以获得更低的噪点和的色彩还原。如果光线较暗,可以选择较高的ISO值来增加相机的感光度,但是需要注意的是高ISO值会增加噪点和降低图像的清晰度。
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