Hello, the first number 10 is your magnification, 10 times. The second number 25 is the diameter of the objective lens, opposite your eyes, in millimeters.
Thank You, Bushnell
answered 2 years, 9 months ago
Bushnell Product Expert
12X25 MEANS 12 POWER BRINGS OBJECT12 TIMES CLOSER -25 MEANS 25mm OBJECTIVE LENS PROVIDES CLEAR IMAGES . HOPE THIS HELPS
answered 5 years, 10 months ago
The 10 is the amount of magnification (10X). The 25 is the size of the larger lens (25mm) in milimeters.