Col,
I think the thread is M56 x 0.75 and the only ways to get a ClickLock to fit is to get an adapter made from M56 x 0.75 female to M56 x 1.0 male and then use a ClickLock made for the Synta M56 thread or M56 0.75 to M60 Vixen thread and use the Vixen ClickLock...
I am having some adapters made to do this on my FOA by Rafael at RAFCamera but those are M47 to M56. He charges around $25USD plus post.
EDIT: OOPS, nearly forgot !!! There is another way, you can take one FS60 or FS78 extension tube and cut the skinny end off till only 12mm of the barrel remains and then get the remaining stubby bit machined to 24tpi 2" SCT thread. That will end up looking like this:
Last edited by Kunama; 12-08-2017 at 04:07 PM.
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