Ilya, ignoring idiots is truly the only way you can operate on forums. They have no qualifications, no intelligence, and no life. So ignore them like the ignorant parasites they are.
Instead, talk about the things that matter. Things like, you can run an entire PRS competition without ever touching your parallax knob on a Tangent Theta if you so choose.
Here is a picture I took this last weekend of targets from 530yds to 1650yds. I dialed back to get all the targets in frame, but on max magnification(25X), I ran targets from 356yds to just inside a mile without ever touching the parallax knob. Completely parallax free the entire way through. The kind of time these scopes save competitors at events is astonishing, and it is one of the primary reasons so many competitors call us to buy these scopes. They aren't all this forgiving as it depends on your eyes and how you have the diopter setup, but Tangent Theta's are the most precise and forgiving rifle scopes money can buy. For that reason, they are the only rifle scopes we stock and sell.
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Real shooters don't care what things are made of. The only thing real shooters care about is whether things work as advertised and stay working as advertised. The lenses in TT's could be made from highly compressed transparent cow shit for all I care. The fact is, these scopes work better than ANY other on the market.