Narrowband (SHO)

Baader H-alpha Bandpass Filter (20 nm) H-alpha filter with 20 nm FWHM (CWL 656.3 nm), thus excellently suited for visual use at night- and photo...

Antlia ALP-T Dual Band Ha & OIII + SII & OIII 3nm 2" Filter Set Ha&OIII 3nm The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual ...

Antlia ALP-T Dualband 3nm SII + OIII 2'' Filters The Antlia ALP-T Dualband 3nm SII&OIII Filter is a dual narrowband filter, which lets the deep...

Explore Scientific Nebula Filter H-Beta 2.0-inch   Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Tran...

Explore Scientific Nebula Filter Oxygen III 2.0-inch   Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. T...

Explore Scientific Nebula Filter H-Alpha 2-inch 7nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "thr...

Explore Scientific Nebula Filter H-Alpha 2-inch 12nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "th...

Explore Scientific Nebula Filter S-II 2-inch 6.5nm High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all...

Explore Scientific Nebula Filter S-II 2-inch 12nm   High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost al...

Explore Scientific Nebula Filter Oxygen III 2-inch 6.5nm   High quality Explore Scientific O-III filter Let only the oxygen emission lines "throug...

Explore Scientific Nebula Filter H-Alpha 1.25-inch 7nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "...

Explore Scientific Nebula Filter H-Alpha 1.25-inch 12nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen ...

Explore Scientific Nebula Filter S-II 1.25-inch 6.5nm High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost ...

Explore Scientific Nebula Filter Oxygen III 1.25-inch 6.5nm   High quality Explore Scientific O-III filter Let only the oxygen emission lines "thr...

Antlia H-Beta 3nm Narrowband Pro 2'' Filter The Antlia H-Beta Pro narrowband filter optimizes the full width at half maximum (FWHM) to a 3nm ba...

IDAS Ha & OIII Dusk to dawn (DTD) Filters A new generation filter covering multiple objects including comets, galaxies, the Milky Way, and emis...

Astronomik SII 6nm CCD MaxFR There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA the Epsil...

Astronomik SII 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

Astronomik SII 12nm CCD Filter This SII Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark sit...

Astronomik H-alpha 6nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RAS...

Astronomik H-alpha 6nm CCD Filter   This H-alpha Filter is suitable for imaging of Hydrogen nebulas from observation sites with light pollution and...

Astronomik H-alpha 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RA...

Astronomik H-alpha 12nm CCD Filter The Astronomik H-alpha filter is a narrow band filter for CCD photography. The filter lets the H-alpha light of ...

Astronomik OIII 6nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

Astronomik OIII 12nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA ...

Astronomik OIII 12nm CCD Filter This Astronomik OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution...

21x wide angle eyepiece for use with the Kowa High Lander large binocular Interchangeable eyepiece(s) for High Lander large binoculars  21x magni...

Baader 3.5 / 4nm f/3 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II) Baader H-alpha / O-III / S-II f / 3 Ultra-Highspeed Filter ...

Chroma 3nm SII Filter Optimized for f/2.8-f/3.6 SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. E...

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H...