Thread
:
Astronomik SHO and LRGB filter sets
View Single Post
#
3
31-12-2020, 02:50 AM
Don Pensack
Registered User
Join Date: Aug 2006
Location: Los Angeles
Posts: 508
And imaging filters often have UV and IR blocking coatings added, which explains why they are more expensive than visual filters.
Don Pensack
View Public Profile
Find all posts by Don Pensack