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Old 20-10-2012, 10:49 AM
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Kal (Andrew)
1¼" ñì®våñá

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Join Date: Nov 2006
Location: Sydney
Posts: 1,845
Sunspots 20th October

Testing my eclipse setup. I took a shot the other day with a filter made with baader photo density film, and even at ISO 100 1/4000s it was waaaay overexposed. I had bought this film many years ago along with some visual density film. Some quick research showed that it was designed for F22 - F45 lenses, so my F7 setup needed visual density film. This pic is my first test of the visual density baader film on my 90mm scope
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