Casing012 said:

Example is 3-9x40,

3-9x is the magnification range. At its lowest setting, the scope makes the target appear 3 times closer than it does with your naked eye. At its highest, 9 times closer.

And 40x is the diameter of the objective (front) lens in millimeters. A larger lens generally allows more light to enter, contributing to a brighter image, especially at dawn.

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SRW said:

You underestimate the size of Texas. That’s in Amarillo, a solid 5+ hr one way drive.

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