Rc's and reducers

[kon1966]

Question guys,
What is max reducer you could use on a RC attached to eos 1100d without getting too much vignetting or curvature. Eg have a sct f6.3 reducer, would that get to focus and before anyone asks, I do nave a 2 inch to sct thread custom tube.

I like experimenting.

Regards
Kon

[Martin_S]

I get f/5 on my RC6 with this combination

Martin

[kon1966]

Thanks Matin,
Sounds promising.

Regards
Kon