APM Telescopes. Altair SkyTech LPRO MAX 2" CCD Filter
Field of liquid and air filtration|Skytech Industries LLP
APM Telescopes. Altair SkyTech Astro Premium 1,25" CLS-CCD filter with UV/IR block and AR coating
Astronomik CLS-CCD Canon EOS APS Clip
Altair Astro Astronomy - #Triband & #Quadband & #SkyTech Quadband EOS Clip Filters are in full production. Order here: https://www.altairastro.com/ filters/ | Facebook