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Marumi Creation Variable ND Series combines two polarizing films to achieve step-less light reduction effects.
Due to the characteristics of the polarizing film, Marumi Creation Variable NDs have the following characteristics. Please use them after understanding in advance.
(Non X-pattern/X-pattern image, Marumi Creation Variable ND2.5-256/V)
・X-pattern* (or frequently described as X-mark) is a phenomenon in which X-shaped picture unevenness occurs on the screen as the density increases. (See the above X-pattern image)
The occurrence of X-pattern is in principle unavoidable for all variable ND systems that use polarizing films.
・The figure below shows a guideline for the focal length where X-pattern is less noticeable.
(CREATION VARIABLE ND2.5-256/V and CREATION VARIABLE ND40-4000/P)
・X-pattern becomes more noticeable at focal lengths in the wide-angle range.
The focal length that makes it more noticeable depends on the subject and how the individual feels, but we recommend that you use a focal length of 24 mm or more. It also depends on the lens you are using, so please check with your lens.
・The X-pattern becomes less noticeable as the focal length increases. It also depends on the lens you are using, so please check with your lens.
・The figure above shows a guideline for the focal length where X-pattern is less noticeable.
(CREATION VARIABLE ND2.5-500/Basic)
Thank you for your attention!