Tony some say it is almost as good as an RC! I think it is a bit better than an SCT and not as good as a 'good' RCT. Have a look at Hutech's site they have some really good 'new' focal reducers on the way. The adjustable Hutech (7887) is really good as you can vary the distance between the optical elements with spacers to suit your optic.
As to what system of yours it will or will not fit, I cant fortell the future!
Bert
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