Narrowband Filters

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, ...

2" OIII 8nm (+/-0.4nm) H-alpha 9.5nm (+/- 0.4nm) (originally designed at 10nm, but on a measured basis, it's 9.5nm.)

H-alpha 656.3nm Emission Line 3nm FWHM Bandpass Anti-Halo Design Descriptio...

Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and monochrome CCD cameras. The convenienc...

L2 Dual-Combo Filter Set (L-eXtreme + L-Synergy) The L2 Dual-Combo Set includes two premium dual-narrowband filters engineered to unlock...

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is a...

Includes 1x L-Quad Enhance Filter and 1x L-Para

Versatile light pollution suppression Quad-bandpass design Isolates key emission lines for nebul...

The Optolong L-Synergy filter is a dual 7nm narrowband solution designed for DSLR cameras, color CMOS sensors, and CCD cameras. It supports telesc...

Extreme light pollution reduction Ultra narrow 3nm bandpasses Isolates key H-alpha and OIII emi...

Dual-bandpass filter for astrophotography Optimized for H-alpha and OIII emission lines Description The William Optics STC Ast...

ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

7nm Bandpass for Precision Imaging Enhanced Nebula Imaging Light Pollution Suppression ...

Precise 7nm Bandpass Enhanced Contrast for Emission Nebulae Light Pollution Reduction ...