The number stands for the zoom multiplier i.e. 2.4 x(z5)=12 or 2.5 x(z6)=15. Leupold also follows this naming logic. One also assumes with the increase in zoom they get an increase in quality or other functions.
The number stands for the zoom multiplier i.e. 2.4 x(z5)=12 or 2.5 x(z6)=15. Leupold also follows this naming logic. One also assumes with the increase in zoom they get an increase in quality or other functions.
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