n bk7 reflective neutral density filter

... consist of an N-BK7 glass or UV fused silica substrate with a metal (Inconel) coating deposited on one side. Inconel is a metallic alloy that ensures flat spectral response from the UV to the near IR. To prolong the lifetime of reflective ND filters, we

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..., 3. ND value stop is accurate. Product Specification: Glass Material AGC /Germany SCHOTT /Corning /other designated brands Filter Lens Thickness 1.1mm/1.3mm/1.5mm/Others Filter Lens Resolution HD Resolution Coating Double-sided AR(Anti-reflection coating)

...filter introduction Introduction to Interference Filter Filter is a kind of optical element which can select the transmission, reflection, cut-off and attenuation of spectral wavelength. According to its function, it can be divided into band-pass filter, long wave pass filter, short wave pass filter, dichroic filter, neutral density filter, notch filter, cold mirror, hot mirror, color filter, etc. These filters...