Narrowband Filters

656.3nm H-alpha Central Wavelength Small 3nm FHWM High >88% Peak Transmission Minimized halos on bright stars Description Specificat...

Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro narro...

Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on ...

Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unw...

Antlia SII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...

Precise Narrowband Filtering for Exceptional Contrast Enhanced Transmission for Superior Signal-to-Noise Ratio ...

Precise Narrowband Filtering for Exceptional Contrast Enhanced Transmission for Superior Signal-to-Noise Ratio ...

Precise Narrowband Filtering for Exceptional Contrast Enhanced Transmission for Superior Signal-to-Noise Ratio Anti-Reflection Coating to Reduce H...

The Antlia ALP-T dual band 5nm Ha&OIII filter is a dual line-pass filter which was designed to be used primarily with one-shot color (OSC) cam...

ALP-T Dual Band 5nm Highspeed Filters are further optimized to work with high-speed imaging systems by shifting slightly the passband and center w...

The ALP-T dual band 5nm SII&Hb filter is a dual line-pass filter, which lets the deep red Sulfur-II line and the blue Hydrogen-Beta line throu...

Precise Narrowband Filtering for Exceptional Contrast Enhanced Transmission for Superior Signal-to-Noise Ratio Anti-Reflection Coating to Reduce H...

Dual filter package: 6nm Ha/OIII (D1) and 6nm SII/OIII (D2) Optimized for high-contrast, narrowband astrophotography Description ...

6nm bandwidth dual-narrowband filter for Ha and OIII wavelengths 2-inch size for compatibility with various telescope setups Description The...

6nm bandwidth dual-narrowband filter for SII and OIII wavelengths 2-inch size for compatibility with various telescope setups Descript...

Dual-filter package for astrophotography: Ha/OIII (C1) and SII/OIII (C2) Optimized for capturing stunning nebula images with enhanced color ...

Ha+OIII duo-band filter Improves the quality of the image High transmittance over 90% at its center wavelength Selectively filter...

SII+OIII duo-band filter Improves the quality of the image High transmittance over 90% at its center wavelength Selectively filte...

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...