Narrowband (SHO)

Pegasus Astro Photographic Filter - OIII 2'' Mounted Filter The Oxygen III (OIII) CCD 7nm filter is designed for nebula observation allowing 7nm b...

Pegasus Astro Photographic Filter - Ha 2'' Mounted Filter This narrowband filter has a 7nm bandwidth of light centered on a wavelength of 656nm th...

Optolong SHO 3nm Narrowband Filters Kit Optolong SHO-3nm Narrowband Filters Introduction Optolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm,...

Optolong Narrowband H-Beta filter Opotlong narrowband H-beta filter is designed for nebula observation allowing 12nm bandwidth of light centered on...

Astronomik H-Beta Filter The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture. It lets the l...

Chroma 8nm SII Filter The Chroma 8nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Chroma 5nm SII Filter The Chroma 5nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Chroma 5nm H-beta Filter H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter...

Chroma 3nm H-Beta Filter H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter...

Chroma 8nm H-alpha Filter The Chroma 8nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

Chroma 5nm OIII Filter The Chroma 5nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Chroma 8nm OIII Filter The Chroma 8nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Baader H-Beta Narrowband-Filter (5.5nm) – CMOS-optimized Baader H-Beta Narrowband Filter – Precision Grade 5.5 nm FWHM, recommended for optical sy...

Celestron 2" Oxygen III Narrowband Filter The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emi...

Optolong H-Alpha 7nm Narrowband Filter Optolong improved version of H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of l...

Optolong Improved OIII 6.5nm Narrowband Filter Optolong improved extra Narrowband OIII-CCD 6.5nm filter is designed for nebula observation allowing...

Optolong SII 6.5nm Imaging Narrowband Filter Optolongimproved narrowband SII6.5nm filter (Sulful II for CCD) is designed for nebula observation all...

Optolong NB Filters SHO 6.5nm Narrowband Filter Kit Optolong SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters, ...