CAB Posted October 23, 2011 Share Posted October 23, 2011 Hi I am looking at getting a Lumicon Deep Sky or Astronomik CLS 2" filter for use with my DSLR but am a bit confused as to whether these filters are also any good for observing as well. I have an 80mm F6.25 refractor and have two sodium street lamps either side of my garden and live in a fairly light polluted suberb. Grateful for anyone's views.Many thanksCAB Link to comment Share on other sites More sharing options...
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