2 Optical Filter Manufacturers in 2025

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A dielectric multilayer filter that transmits light with short wavelengths and reflects light with long wavelengths.

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• Optical Filters

A dielectric multilayer filter that transmits light with long wavelengths and reflects light with short wavelengths.

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• Optical Filters

A dielectric multilayer filter that is used at normal incidence and extracts any light (color) in the visible range.

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A dielectric multilayer filter that cuts UV light.

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A dielectric multilayer filter that cuts IR. ■IRLC-50S wavelength characteristics (incidence angle: 0°) ・CUT coated surface: T380-620nm≧80% (aver...

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The Sightron Comet BP (Comet Bandpass) filter is an interference filter that transmits the wavelength range near the four main emission lines emitt...

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• Optical Filters

Price (without tax)

$ 123.50

A dielectric multilayer filter that blocks UV and IR light.

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■52mm diameter Quad BP (quad bandpass) filter is an interference filter that transmits wavelengths around the four main emission lines emitted by c...

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• Optical Filters

Price (without tax)

$ 136.50

A dielectric multilayer mirror that reflects UV and IR light. ■Specifications ・T=50% wavelength 395nm,705nm (±10nm) ・Transmission range T＞85% (...

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Quad BP (quad bandpass) filter is an interference filter that transmits wavelengths around the four main emission lines emitted by celestial bodies...

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• Optical Filters

Price (without tax)

$ 123.50

A dielectric multilayer filter that only transmits UV light.

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• Optical Filters

IR640 PRO II", "IR720 PRO Filter", and "IR800 PRO Filter" are IR pass filters that transmit near-infrared rays of 640nm, 720nm, and 800nm ​​or more...

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• Optical Filters

Price (without tax)

$ 58.50

A bandpass filter is an optical glass filter that is used to selectively pass only the necessary light in a specific wavelength range from polychro...

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The Sightron Dual BP Filter (dual bandpass filter) allows the nebula to stand out even in light-polluted areas by mainly transmitting wavelengths a...

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• Optical Filters

Price (without tax)

$ 120.25

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Cytron Hα 7nm Filter (H Alpha 7nm Filter) is an Hα filter designed to transmit only the Hα emission line emitted by hydrogen gas. With a half-value...

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A film (birefringent polymer) is sandwiched between two glass substrates. This will be a true zero order.

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■Product features When photographing starlit skies in urban areas where there is a strong influence of light pollution, such as with sodium lamps, ...

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• Optical Filters

Price (without tax)

$ 42.12

Absorbs UV in the range of 370 to 480 nm (total light transmittance of 92% or more). Can be used for optical lenses and ultraviolet cut windows.

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A filter that has constant transmittance regardless of wavelength in the visible range. It is used for adjusting the exposure amount during color p...

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Transmits ultraviolet rays of 260nm or more (approximately 80% transmittance at 300nm).

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This is an ND filter with a low reflection ND coating.

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Absorbs visible light and transmits near-infrared light. There is no sensor error due to birefringence.

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• Optical Filters