Thread: [WITHDRAWN] Baader ND 1.8 and ND3 filters
View Single Post
  #2  
Old 19-06-2018, 10:10 AM
Merlin66's Avatar
Merlin66 (Ken)
Registered User

Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Answering a query....
The ND 1.8 is generally used with a Herschel wedge for solar imaging, and the ND3 with a wedge for visual.