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Haida Slim Nano Pro MC Clear Night Filter - 77mm
Haida Ultra Slim Nano Pro Clear Night Filter 77 mm
Blocks rays of the spectrum of sodium lamps and Mercury bogenlampen. between approximately 580 Nm and 610 Nm and thus allows the reading of orange, beige, yellow or pure white light.
The filter in the blue domain has a transmission rate, in about 50% to 100% and in the red area about 90%.