80mm LS with / without blue ring

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I have wrongfully posted this question in a different forum, and was encouraged to ask this question on this forum;

I am looking to buy a used 80mm LS AF, and I have discovered that there is (at least) two versions; one with a blue ring on the lens, one without. Is there any major difference, or any reason not to buy without the blue ring? I am shopping on a budget for now, and can live with some drawbacks until I can upgrade later on.

Thank you.

[charlesrocket]

If you using 80+ mp back, Blue Ring glass would be a better option over classic lenses. With P/50mp backs difference would be minimal.

[Patrik51]

My +ten year old Schneider 80mm 2,8 is tack sharp and superior to my Blue Line 40-80 zoom @80mm and f4,5 the other day (the zoom was at f5,6), whatever the marketing says. Hope this helps you somehow. Oh, I use it on XF IQ4 150mp.

[C-M-B]

If you're on a budget the "old" Schneider 80mm LS will do fine. Actually it will probably do fine even if you're not on a budget since the old lens was (and still is) stunning!

I think there are only very few lenses from the blue ring lineup, that are optically superior in a way that really matters.
Even the older Mamiya glass is often really great (the 210mm AF and the 120mm AF/MF are particularly great!)