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Haida Slim Nano Pro MC Clear Night Filter 52 mm
Haida Ultra Slim Nano Pro Clear Night Filter 52mm
Blocks the rays of the spectrum of sodium and mercury lamps between approx. 580 Nm and 610 Nm allowing you to read pure orange, beige, yellow or pure white.
The filter in the blue area has a transfer rate of approx. 50% to 100% and 90% in the red area.