DreiFish Posted June 27 Share Posted June 27 Are the version II extension rings backwards compatible with the original extension rings? (n120)? Can you mix and match them? I'm thinking of getting a 25mm extension ring to complement my 20. 30, and 40mm rings to be able to fine tune port length in 5mm increments from 20-95mm. . But I recently purchased the Nauticam Extension Ring 10 Version II and I can't seem to get it to work with any of the other original rings and dome ports I have. Is that an issue unique to the 10mm extension ring? Common to all Version II rings? Or am I just doing it wrong? 1 Link to comment Share on other sites More sharing options...
Chris Ross Posted June 27 Share Posted June 27 They are compatible, there are a couple of changes in them. I mated a type II ring with an older N85-N120 extension and a 140mm dome. I wrote up a mini review a little while back as there was no information around about them: 2 Link to comment Share on other sites More sharing options...
DreiFish Posted June 27 Author Share Posted June 27 Thanks Chris! Link to comment Share on other sites More sharing options...
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