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Stuart,
the focusor on this would not screw onto an SCT or vice versa. The thread is 90x1mm pitch.
The scope is on the an EM400 mount, so I got the good mount covered. I just need to get pempro onto the polar alignment which was done with my wide field scope. I did not have any guiding because I am waiting on guide rings for the vixen plate.
Forgive me, but the ACF is not an alternative for several reasons. Corrector plates don't make for long imaging runs (dew builds up and using a dew heater cancels out the chance of ultra sharp images, which is afterall the object of an RC scope; an ACF is not an RC), cool down time is longer in a closed tube and often cannot be controlled without active measures being taken and both tubes require better focusors to maintain optical alignment.
Besides I have never been a real fan of fork mounts. When I owned my LX200 I found that flexure was a major problem and using those wedges was just a total pain for precision polar alignment.
I think these RC scopes have the potential for great images. The scopes work straight of the box but need refining like any telescope one buys.
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