Hi, I'm thinking about picking up a used Siebert 12.5mm ep. It's my understanding that these ep's are not threaded for filters. What are my options if I need to use a filter? I plan on doing quite a bit of lunar observing. Thanks, Mike
Siebert ep and filters?
Started by unclemike-in-h.beach, 07/19/2005 03:50AM
Posted 07/19/2005 03:50AM
Opening Post
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