Sort by:
3 Products Found
7nm
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 2" OIII 6.5nm Filter
$199.99
The Altair Astro Premium Oiii 6.5nm filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths....
Altair 2" Ha 7nm Filter
$199.99
The Altair Astro Premium 7nm Ha filter is designed for astro imaging of nebulae with Mono CCD or CMOS cameras, blocking light pollution by cutting out the light pollution wavelengths....