Thread: Baader MkIV Zoom & Baader Barlow
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Old 20-12-2020, 05:45 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Russell,
The OP was trying to determine the Baader Barlow effect.
If you’re testing a barlow and eyepiece arrangement using a cross wire eyepiece isn’t necessary.....just count the visible bricks.
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