Interesting to find this thread. I've found that the view I'm getting through my Lunt Ha50 filter with B600 has been getting very hazy. When I checked the blocking filter it looked like this. I cleaned it carefully before this photo and it did make a big difference, but this can't be good. And the green meshy bit on the inside of the filter - I've not looked at it before, but is this part of the reticle or is it a problem?
Thanks for any thoughts.
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