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P9030609
Mask I made of paper and foam board. 5mm Wide slits for an M110 @ F/5.95 with 0.8x reducer. I basically made the width 'round' to 10mm.
Date: 09/03/08
Views: 771
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F1_2
Starting position
Date: 09/04/08
Views: 641
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F2_2
Almost there
Date: 09/04/08
Views: 579
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FFinal_2
Final focus. The 1/10 focus knob turned perhaps 20 degrees between the three images. If Nebulosity would stay centered when zooming it would probably be possible to focus even better but this is pretty close.
Date: 09/04/08
Views: 648
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Bahtinov mask for C11 with Hyperstar
Date: 05/20/09
Views: 312
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05-19-09_1922
Date: 05/20/09
Views: 160
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