Quote:
Originally Posted by azagil
Hi all,
I was sitting here pondering the purchase of a light polution filter and am torn on if to do it or not. Reason being, I already have a O-III, UV-IR, and moon...upon researching it Im not sure if it is worth while or not considering what I already have.......would there be a major difference in using this compared to using the say my O-III. 
( I do most my observing away from the city where light isn't to big an issue and get the extra contrast from using my O-III) |
Aaron take a look at this Cloudy Nights filter review.
It compares three popular narrow band filters types and a broadband type on quite a number deep sky objects.
http://www.cloudynights.com/item.php?item_id=1520
I think you will find your next purchase might be the UHC type.
gb.