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Old 07-06-2020, 07:38 AM
Sitt (Simon)
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Sitt is offline
 
Join Date: Jul 2007
Location: Perth
Posts: 34
Sorry it's a flatner not reducer. Starting at the camera I have the filter drawer, then the OAG then my spacing. There's an adapter that comes with the skywatcher which fits on the flatner The flatner comes with the Espirit as a package so not after market.
Here a thread on cloudy nights with the 75mm back focus https://www.cloudynights.com/topic/5...tener-spacing/
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