[bojan]

Comparison between just UVIR and C1 filters (C1 is also stack 128x30sec @ISO12800, compared to 32x30sec @ISO3200).
C11+C-FR6.3+Canon 60Da.
C1 suppresses LP (mostly Moon in this case) quite effectively.. definitely a keeper!


ERRATA:
Should have been ASCAR C1, not C2.
Corrected.