How much better is direct BNC vs adapter

Thank thank you both, for your responses. You have added to my belief that the adapter really isn’t hindering performance. I am curious to try a few different cables, I brought home a Cardas Clear, but the connector won’t go into the Node2. They have a little guard around the connection although I can use my Golden Ref’s on the analog outputs. And toolblue, I have plans to try the Acoustic Zen, recommended by The Cable Co, thru their lending library. 

Audio Engineer who participates in these forums sells a $275 BNC cable with RCA adaptors.  I purchased one a few months ago.  Beats the pants off RCA coax cables I have tried for twice the price.

Audioengr, if I understand you correctly, you are stating that BNC to BNC with an RCA to BNC adapter is better than a cable terminated as required? So the 75ohm properties of the signal are corrected by simply adding a second BNC connector? Just trying to learn.

The way I understand it - and Audioengr please correct me if needed - that a natively BNC terminated digital cable, 75ohm, with an adapter for RCA, is better than a natively RCA terminated cable, 50ohm, with an adapter for BNC connections.