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[NANO-B Series Variable ND] 40.5mm K&F Concept variable ND filter and cleaning cloth included. The variable ND filter has a double structure, so if the variable ND filter is 40.5mm, the lens cap will be 43mm.
[Dimension filter] ND filter can reduce the amount of light and prevent overexposure when taking pictures during the day. Since it is variable, you can adjust the light intensity from ND2 to ND400. This is very convenient because you don't have to have a large number of filters. It can create thread-like water currents and light flows, and can be used in various scenes such as streams, the ocean, and waterfalls.
[Caution] If the amount of light reduction exceeds a certain point (adjusted to ND400) (near MAX), X-shaped unevenness may occur or a bluish tinge may appear. Please note that this is normal. Keep rotating the filter and the shadows will disappear naturally. This phenomenon is not a quality issue, but a natural physical phenomenon caused by the rotation of the variable ND.
By attaching an ND filter to reduce the light, you may be able to expand your selection of apertures and shutter speeds, and may be able to achieve more ideal color expression. It can create thread-like water currents and light flows, and can be used in various scenes such as streams, the ocean, and waterfalls.
⚠️This filter is not suitable for use with telephoto lenses, but the NANO-X series ND2-400 filter can also be used with lenses with a focal length of 300mm. The ASIN of 40.5mmNANO-X series ND2-400 filter is B0CJTKDVYT.
