Thread: Any Good Field Flattener for Equinox 80mm OTA?
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Old 31-05-2011, 10:41 AM
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troypiggo (Troy)
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Location: Brisbane, Australia
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As I understand it, the scale on the FF4 is set the distance from camera sensor to rear element in the FF4. For a DSLR it's 66mm which includes about 10mm for the EOS adapter ring. Not sure about the QHY8.
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