Goodguy , actually they are sending me a brochure..spoke to the marketing person there who referred me to a few gunshops in my area which I know real well. They compare with every good scope out there and have better eye relief then a bushnell...nothing less then 3.5 inches and the scopes are right sized . The glass is fully multicoated Schott lenses(again same Zeiss uses) . Weights and lengths are very nice and the scope body is one piece 60xx series aluminum. Hunter is not a scope company but they sell leather goods and accessories, this is a sideline business for them and they don't have a huge marketing budget, they are only following suit of other optics companies that don't produce optics in house Sightron,Weaver,Redfield ,Simmons, Bushnell and other lesser brands all produce overseas . I then called my local gunshops to inquire about them none have had any returned but they have instructions from Hunter to just change out the scopes with new ones if they ever do fail. To the man they told me they were a super bargain priced scope that is not cheaply made. We are talking in USD about 140-150 bucks for a 3x9x40 highest priced one is about 200 or so usd. ...When I recieve their technical brochure I will let everyone know any additional info. Percentage of Light and getting that figure from a Scope company is like pulling a rabbit out of a hat..just witnessed Leupold's latest ads claiming some get 98% light transmission and I am a long term Leupold user and pissed off at them for that debacle.