Thread: [NOT REQUIRED] 2" Baader Ha 7nm filter
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Old 26-04-2022, 04:56 PM
JA
.....

JA is offline
 
Join Date: Oct 2016
Location: Melbourne, Australia
Posts: 3,052
You could try this .....
https://www.ebay.com.au/itm/19163768...3ABFBMyqmnyoxg

It's $35 v ~$200. Both probably made from similar didymium / neodymium glass

Best
JA

Last edited by JA; 26-04-2022 at 06:09 PM.