: The large front lens that gathers light and determines resolution.
The final page of the Bushnell manual is a goldmine of real-world fixes. Here are three gems often forgotten: bushnell 3-9x40eg manual
Before mounting, point the scope at a plain, light-colored background (like a wall). Quickly glance through the eyepiece; if the reticle is blurry, turn the fast-focus eyepiece until the crosshairs appear sharp. : The large front lens that gathers light
Here are the top three problems solved by the . point the scope at a plain