Celestron OAG still available. This include the mega chunky adapter to reduce the number of parts in your image train.
https://photos.app.goo.gl/4UMyAM1LboX6L5HQ7
https://photos.app.goo.gl/vuhweXed4fpVqiwU7
Looking for $400 OBO on the OAG with the extra adapter and postage thrown in.
Reducer is now sold.