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Thanks very much for the photos and links. Yes this is for the CDK and reducer. Without the reducer there is plenty of backfocus - about 250mm.
The reducer works at various distances with ideal at 45mm and OK up to about 60. I am currently at around 45mm but its guide scope guided. The chip is 17mm in the SX camera, the FLI filter wheel is 19.9mm thick, the adapters on the reducer add about 6.5mm, the adapter on the filter wheel only adds a few mm.
I ordered the mini usb with OAG specifically to get closer to the 45mm. So its 17 to the chip it the camera, around 28mm for the filter wheel +some adapters, maybe 10mm so I would be at 55mm or less if I can get the adapters thin enough. So the FLI CFW and TS9 sounds like about 28mm + adapters. Very similar but does not require a whole new set of filters!
Perhap I should order one and see if I can use it. What adapters did you use for your TS9 to attach it? The FLI filter has about a 76mm opening.
Greg.
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