Variable power scopes allow you to adjust the magnification, which is marked out by a range of numbers in the front of the scope.
A 3–9x40 scope denotes a magnification of 3 to 9 times with a 40mm lens.
Shooting with an air rifle or pistol is not only great fun but can help you hone your skills and improve your accuracy. Air rifles are particularly good for practising your shooting for hunting. For those that want to practice firing pistol, air pistols a great, and can quickly help you along to being a better shot. Here are a few very easy things that you can do to improve your shooting.
Variable power scopes allow you to adjust the magnification, which is marked out by a range of numbers in the front of the scope.
A 3–9x40 scope denotes a magnification of 3 to 9 times with a 40mm lens.