Filters

Sort by:
Altair 2" Solar Contrast Booster Filter 7nm - 540nm Continuum 1.25" V3

Altair 2" Solar Contrast Booster Filter 7nm - 540nm Continuum 1.25" V3

$101.99
The Altair 1.25" Solar Continuum filter enhances sunspots, granulation, and fine photosphere detail.For use with a prefilter such as the Baader Solar Film filters or Herschel Wedge. Version 3 coating...
Altair Ha Sii Oiii DualBand ULTRA 6nm Filter COMBO 2"

Altair Ha Sii Oiii DualBand ULTRA 6nm Filter COMBO 2"

$493.99
Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing nebula imaging. Effective Light Pollution Suppression: Incorporates...
Altair Ha Sii Oiii DualBand ULTRA 6nm Filter COMBO 1.25"

Altair Ha Sii Oiii DualBand ULTRA 6nm Filter COMBO 1.25"

$337.99
Advanced Dual-Band Filter Technology: The Altair Dual-Band ULTRA Sii/Oii is a cutting-edge narrowband filter with a tight 6nm FWHM Bandpass, designed for enhancing nebula imaging. Effective Light Pollution Suppression: Incorporates...
ToupTek SHO Filters
1.25"(6.5nm)36mm(4.0nm)2" (6.5nm)2"(4.0nm)

ToupTek SHO Filters

$260.00 – $539.00
ToupTek SHO Filters (Hα / SII / OIII) If emission nebulae are your thing (and let’s be honest… they should be), a good SHO narrowband set is the shortcut to...