Well taken care of and have produced exceptional results. (See links in my signature.)
Reason for selling is that I have a 3nm Oiii filter that i will be using.
Bought it at SGD 360,
Asking for SGD 250.
Will come in it's original case with 1 year of warranty remaining.
PM me at eight-6-1-2-7-5-8-0 for a quick deal
Filter is strictly for photographic use, NOT a visual filter