Narrowband Filters

Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the next most common emission when...

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, ...

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...