1. Introduction
Thank you for choosing the Tasco 3-9x40 Rifle Scope. This manual provides essential information for the proper setup, operation, and maintenance of your new rifle scope. Designed for rimfire excellence, this scope offers durability and accuracy for various shooting applications. Please read this manual thoroughly before use to ensure optimal performance and safety.
2. Product Overview
The Tasco 3-9x40 Rifle Scope is engineered with features to enhance your shooting experience:
- Fully Coated Lenses: Allows for clear and bright images, ensuring fine details are visible.
- Capped Turrets: Finger-tip adjustable windage and elevation turrets for easy, tool-free adjustments in the field.
- Weaver Style Rings: Included for quick and secure mounting.
- Durable Design: Provides superior grip and a robust construction suitable for any rifle.
- Weatherproof: Waterproof, fog proof, and shockproof construction ensures reliability in various environmental conditions.
3. Setup and Mounting
Proper mounting is crucial for accuracy and consistent performance.
- Mounting Rings: The scope comes with Weaver-style rings. Ensure your rifle has a compatible Weaver or Picatinny rail. If your rifle has an 11mm dovetail, separate adapter rings may be required.
- Positioning: Place the scope in the rings, ensuring adequate eye relief. Eye relief is the distance between your eye and the eyepiece when the full field of view is visible. This is critical to prevent injury from recoil.
- Leveling: Use a leveling tool to ensure the reticle is perfectly level with the rifle. This prevents windage adjustments from affecting elevation and vice-versa.
- Tightening: Securely tighten the ring screws evenly to avoid stressing the scope tube. Do not overtighten.
4. Operating Instructions
4.1 Magnification Adjustment
The Tasco 3-9x40 scope features variable magnification. Rotate the magnification ring, typically located near the eyepiece, to adjust the power from 3x to 9x. Select the desired magnification based on your target distance and shooting conditions.
4.2 Focusing
To achieve a clear image of the reticle and target:
- Point the scope at a plain, bright background (e.g., a clear sky).
- Look through the scope and adjust the eyepiece until the reticle appears sharp and clear.
- Once the reticle is focused, it should remain clear regardless of magnification changes.
4.3 Windage and Elevation Adjustments
The scope features capped turrets for windage (horizontal adjustment) and elevation (vertical adjustment). These turrets are designed for finger-tip adjustments without the need for tools.
- Remove the protective caps from the windage and elevation turrets.
- Each click of the turret will move the point of impact by a specified amount (e.g., 1/4 MOA at 100 yards).
- Rotate the elevation turret (top) to adjust for vertical impact. Rotate the windage turret (side) to adjust for horizontal impact.
- After zeroing your rifle, replace the protective caps to prevent accidental adjustments and protect the turrets from elements.
5. Maintenance and Care
Proper care will extend the life and performance of your Tasco rifle scope.
- Cleaning Lenses: Use a soft, lint-free cloth or a lens brush to remove dust. For smudges, use a lens cleaning solution specifically designed for optics and a clean microfiber cloth. Avoid using harsh chemicals or abrasive materials.
- Cleaning Body: Wipe the scope's exterior with a soft, damp cloth. Avoid getting water into the adjustment turrets or eyepiece.
- Storage: Store the scope in a cool, dry place, preferably in its original packaging or a protective case, away from direct sunlight and extreme temperatures. Ensure all caps are securely in place.
- Waterproof/Fogproof: While the scope is waterproof and fog proof, avoid unnecessary exposure to extreme moisture or rapid temperature changes.
6. Troubleshooting
If you encounter issues with your scope, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Blurry image / Cannot focus | Eyepiece not adjusted; Parallax issue; Dirty lenses | Adjust eyepiece for reticle clarity; Ensure target is within scope's parallax-free range (if applicable); Clean lenses. |
| Inconsistent point of impact | Loose mounting rings; Damaged scope; Improper shooting technique | Check and tighten mounting rings; Inspect scope for damage; Review shooting fundamentals. |
| Reticle appears tilted | Scope not level during mounting | Re-level and re-mount the scope. |
| Fogging inside scope | Seal compromise (rare for fog proof scopes) | Contact customer support if persistent. |
If these solutions do not resolve the issue, please contact Tasco customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Tasco Riflescope 3-9x40 Black FC, Rings, Truplex, Box 5L |
| Part Number | TRF3940 |
| Magnification | 3-9x |
| Objective Lens Diameter | 40mm |
| Color | Black |
| Material | Aluminum |
| Item Weight | 14.8 Ounces (0.42 kg) |
| Item Dimensions (LxWxH) | 14 x 3 x 3.2 inches (35.56 x 7.62 x 8.13 cm) |
| Included Components | Rings (Weaver style) |
| Waterproof | Yes |
| Fogproof | Yes |
| Shockproof | Yes |
8. Warranty and Support
The Tasco 3-9x40 Rifle Scope is backed by a Limited Lifetime Warranty. This warranty covers defects in materials and workmanship under normal use. For specific details regarding warranty coverage, claims, or technical support, please refer to the official Tasco website or contact their customer service department.
For further assistance, visit the official TASCO Store on Amazon or their corporate website.