Which is better, glass or plastic solar filters?
Saturday, June 20th, 2009mt_si_guy asked: Which is better a kendrick baader solar filter or a thousand oaks filter? Which one is more safe in your opinion, which one has better optical quality?LAUZON
Archive for the ‘Astronomy & Space’ Category
mt_si_guy asked: Which is better a kendrick baader solar filter or a thousand oaks filter? Which one is more safe in your opinion, which one has better optical quality?LAUZON