What is it about really quality lens, as an example, Pentax,etc., that creates the better resolution and contrast versus a cheaper brand bino?
I have read that European glass is great, then I heard Japanese glass is great. What is it about Chinese glass that everyone considers second or third rate?
My own personal experience points out that Pentax lens are better than say Obies and others. Would you rather have cheap binos or great lens quality? Fully Multi-Coated being equal.

Ray A. (Curious)