Because many of these scopes are distributed without comprehensive documentation, this manual provides the essential instructions required to mount, focus, calibrate, and maintain your optic for peak performance. 1. Technical Specifications Overview
Unscrew the protective plastic caps covering the elevation (top) and windage (right) turrets.
: Approximately 12–33 feet at 100 yards (depending on magnification). Exit Pupil : 13.3mm at 3x; 4.4mm at 9x. Installation and Mounting
Variable from 3x (for close-range/wide field of view) to 9x (for precise long-range shots). Objective Lens: 40mm, designed for high light transmission. bushnell 3-9x40eg manual
| Specification | Detail | |--------------|--------| | | 3x – 9x | | Objective Lens Diameter | 40 mm | | Tube Diameter | 1 inch (25.4 mm) | | Reticle | Multi‑X (with red/green illumination) | | Optical Coating | Fully multi‑coated (DDB) | | Eye Relief | 3.3 inches | | Click Value | 1/4 MOA | | Total Length | ~308–318 mm (approx. 12.1–12.5 inches) | | Weight | 340 g – 442 g (varies by exact model) | | Housing | One‑piece, shock & water resistant |
This indicates a variable power range. You can adjust the zoom from 3x (making objects appear three times closer than the naked eye) up to 9x. Lower magnification offers a wider field of view for moving targets, while higher magnification provides precision at longer distances.
Look through the scope at a known vertical or horizontal line (like a plumb bob or the edge of a building). Rotate the scope body in the rings until the crosshairs are perfectly square with the world and your rifle's action. 4. Torque the Ring Screws Because many of these scopes are distributed without
Move your target out to 100 yards. Fire another 3-shot group. At 100 yards, of bullet movement. Make your final fine adjustments, replace the turret caps, and your rifle is successfully zeroed. Cleaning and Maintenance
Set up a large target at 25 yards to ensure your initial shots land on paper.
Note: Use lower settings in low light to prevent reticle glare. : Approximately 12–33 feet at 100 yards (depending
The "G" signifies the dual-colour illumination system. Shooters can cycle between red and green illuminated crosshairs depending on ambient lighting conditions. 2. Technical Specifications Magnification: 3x - 9x Objective Diameter: 40mm Tube Diameter: 25.4mm (1 inch)
: The internal tube housing the reticle and lenses, which moves when you adjust for windage or elevation. 2. Mounting and Preliminary Adjustments
The information in this section is drawn directly from the official instructions for scopes like the Bushnell 3-9x40 series. It is crucial to read these steps carefully before using your scope.
Never look at the sun or any strong light source through the scope – this will permanently damage your eyes and the scope’s internals. Always treat a firearm as if it is loaded, keep your finger off the trigger until ready to shoot, and verify that your scope is securely mounted before each use.