1. Product Overview
The SVBONY SV182 6x30 Right-Angle Correct-Image Finderscope is designed to assist in locating celestial objects with ease and comfort. It provides a magnified, erect, and correctly oriented view, simplifying the process of aiming your main telescope.
Key Features:
- 30mm Wide Aperture: Enhances light gathering capabilities, allowing for visibility of fainter objects.
- 120mm Focal Length: Optimized for observation, providing a powerful 6x magnification.
- 6x Crosshair Reticle: Aids in precise alignment and targeting of celestial bodies.
- 90-Degree Right-Angle Design: Offers a comfortable observation angle, reducing strain during use.
- Erect Image: Incorporates a prism steering optical system to provide a correctly oriented view, matching naked-eye observation.
- Fully Multi-Coated Lenses: Improves light transmission for a clear, sharp, and bright view of the night sky.
2. What's in the Box
- 1x SV182 Finderscope
- 1x Mounting Bracket
- 2x Lens Protectors

3. Setup and Installation
Follow these steps to properly install your SVBONY SV182 Finderscope onto your astronomy telescope.
- Attach the Bracket: Secure the finderscope mounting bracket to your main telescope using the provided screws or dovetail base. Ensure it is firmly attached.
- Insert the Finderscope: Slide the SV182 Finderscope into the mounting bracket. The bracket typically uses a spring-loaded mechanism and adjustment screws to hold the finderscope in place.
- Secure the Finderscope: Gently tighten the adjustment screws on the bracket to hold the finderscope securely without overtightening.

Installation Video Guide:
4. Operating Instructions
The SV182 Finderscope is designed for straightforward operation to enhance your stargazing experience.
- Align the Finderscope: Before observing, align the finderscope with your main telescope. Point the main telescope at a distant terrestrial object (e.g., a tree or building) during daylight. Center the object in the main telescope's eyepiece, then adjust the finderscope's alignment screws until the same object is centered in the finderscope's crosshairs.
- Observe Through the Eyepiece: Look through the finderscope's eyepiece. The 90-degree right-angle design and erect image will provide a comfortable and correctly oriented view.
- Locate Objects: Use the 6x magnification and crosshairs to quickly locate desired celestial objects. Once centered in the finderscope, they should be visible in your main telescope's eyepiece.


Operation Video Guide:
5. Focusing Instructions
To achieve a sharp image through your SV182 Finderscope, follow these focusing steps:
- Initial Adjustment: Point the finderscope at a bright, distant object (e.g., a star or a distant terrestrial landmark).
- Loosen Locking Ring: Locate the red locking ring near the objective lens. Gently loosen it to allow the objective lens assembly to rotate.
- Rotate Objective Lens: Slowly rotate the objective lens assembly (the front part of the finderscope) clockwise or counter-clockwise. Observe through the eyepiece as you rotate.
- Achieve Sharp Focus: Continue rotating until the image appears clear and sharp. The crosshairs should also be in sharp focus.
- Tighten Locking Ring: Once a clear image is achieved, carefully tighten the red locking ring to secure the objective lens position. Avoid overtightening.

Focusing Video Guide:
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your SVBONY SV182 Finderscope.
- Cleaning Lenses: Use a soft, lint-free cloth specifically designed for optical lenses. For stubborn smudges, use a small amount of optical cleaning fluid. Avoid touching the lens surfaces with bare hands.
- Storage: Store the finderscope in a dry, dust-free environment. Use the provided lens caps to protect the objective and eyepiece from dust and scratches when not in use.
- Avoid Extreme Temperatures: Do not expose the finderscope to extreme temperatures or sudden temperature changes, as this can affect the optical components.
- Handle with Care: Avoid dropping or subjecting the finderscope to harsh impacts, which can cause misalignment or damage.
7. Troubleshooting
If you encounter issues with your SVBONY SV182 Finderscope, consider the following common solutions:
- Blurry Image: Ensure the objective lens is properly focused (refer to Section 5). Check that the eyepiece is fully inserted and secured.
- Misaligned Crosshairs: Re-align the finderscope with your main telescope (refer to Section 4, step 1). Ensure all mounting screws are snug.
- No Image Visible: Verify that the lens caps are removed from both ends of the finderscope. Ensure the finderscope is pointed at a sufficiently bright object.
- Loose Components: Check all screws and rings for tightness. Do not overtighten, but ensure they are secure.
8. Product Specifications
| Specification | Value |
|---|---|
| Model | SV182 |
| Optical Tube Length | 120 mm |
| Objective Lens Diameter | 30 mm |
| Magnification | 6x |
| Eyepiece Lens Description | Fully Multi Coated |
| Finderscope Type | Right-Angle, Correct-Image |
| Focus Type | Manual Focus |
| Item Weight | 10.4 ounces (295 Grams) |
| Product Dimensions | 2.87 x 9.29 x 5.82 inches |
| Item Model Number | FW9141B |
9. Warranty and Support
Your SVBONY SV182 Finderscope comes with a manufacturer's warranty. For specific warranty details, returns, or technical support, please refer to the warranty card included with your product or contact SVBONY customer service directly through their official website or the retailer where you purchased the product. Please retain your proof of purchase for warranty claims.