I have an OLD Tak FC-100 (original model, not the recent D versions). Finding a specific focl reducer or flattener for these is nigh on impossible, and the price for the new D flattener and reducer is insane (even grey market price).
Put simply, the FC-100 is a fantastic doublet. Not quite colour free, but darned close. As such, I want to do galaxy and semi-deep imaging with it. I intend to use the Vixen FL102S reducer with it (makes the Tak f/5.3, which is not too shabby), but flattener is another story.
Anyone think that the TSA 102 flattener would be effective with the FC-100? The native focal length etc of the old FC-100 is the same as the TSA 102, and there is only a 2mm difference in effective aperture, so I think this would seem to be a reasonably good match.
Opinions?
It's a $520 flattener, so it's not just a case of Buy it and try it
