I would say the Swaro has the better glass...without question. As far as mirage...I'm puzzled. I've shot my 8-32BR NightForce and my 5.5-22 NXS in extremes of both hot and cold temps and haven't had much of a problem. THe 8-32X I've used at 32x on a hot summer day to shoot PD's out to 850 yards...and experienced some mirage...but not enough to disrupt the shot...from heat coming off of the barrel. Would be interesting to get a read on what you were experiencing. I don't think it's the glass from Japan versus Europe deal. Perhaps it's more to do with coatings??
Wayne
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