Re: optics data

Matteo choreographed a chorus line of high-kicking electrons to spell
out: 

> About optics used on rifle, what does the data numberXnumber mean?
> For example in "Trijicon ACOG 4X32 Day Optic" I suppose that the first
> "4" is the zoom factor, but what about "x32" ?

The first number is the magnification, the second the diameter of the 
objective lens.

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