I do believe there is a point of diminishing returns. Age would have something to do with that. I don't believe you reach that point at the 500 to 700 dollar range. I think you have to go a bit higher in price to get the best quality optics no matter what the marketing director tells us.. I do, however, doubt that my 60 year old eyes can tell the difference between a say, 1500 dollar glass and 3000 dollar glass.

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War Eagle!!!