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可变中性密度滤光镜
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可变中性密度滤光镜
Encyclopedia
艺术学
彩色黑白兼用滤光镜
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variable neutral density filter
可变中性密度滤光镜
通过转动滤光镜上的调节环,可连续均匀改变其通光能力的滤光镜。又称可调减光镜、POL退光镜(Pol Fader),B+W公司称其为双偏振镜(Double Polarizer)。
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spherical CR structure
spherical cuboctahedron
spherical curvature
spherical curve
spherical cyclic curve
spherical defect
spherical deflection analyzer
spherical deformation tensor
spherical degree
spherical density
spherical derivative
spherical design
spherical digon
spherical distance
spherical distribution
spherical domain
spherical earth theory
spherical element
spherical equilateral triangle
spherical excess
spherical excess formula
spherical fiber
spherical field
spherical form
spherical Fourier transformation
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