Durable and Reliable Material Constructed from high-quality, practical materials, this telescopic viewfinder is designed for long-lasting performance and dependable use in various observing conditions. Easy and Quick Installation Features dovetail slots and comes with screws for straightforward setup. This enables you to attach or detach the viewfinder quickly without complicated tools or procedures. Broad Compatibility with Different Telescopes Compatible with models such as 150SLT, 6SE, 8SE, C5, C6, and C8. The dovetail slots are versatile, allowing seamless attachment to a range of astronomical accessories including guide mirrors, guide boxes, and finder scopes. Precise Fit for Your Telescope Before purchasing, please consult our size chart to ensure optimal fit. Confirming compatibility helps avoid mismatched accessories and ensures stable, secure attachment during your observations. Practical Applications Ideal for adjusting and aligning your telescope for solar, lunar, planetary, or deep-sky observations. Useful when upgrading your existing telescope setup or adding auxiliary accessories for enhanced accuracy and ease of navigation during astrophotography sessions. This telescopic viewfinder combines durability, ease of installation, and broad compatibility to improve your astronomical observing experience. Designed with precise fitting and versatile application in mind, it is a reliable tool for hobbyists and experienced astronomers alike.