2 Inch Metal Optical Length 35mm/50mm/80mm Eyepiece Extension Tube Adapter for Astronomical Telescopes 2-Inch Filter Threads(35mm)

Features:1. Fits 2" telescope focalizer and accepts 2" eyepieces or accessories. Threaded for use with standard 2-inch astrophotography filters.2. Has two locking wing screws to secure any inserted astronomical fittings, with brass compression inserts to prevent damage to your telescope fittings.3. Extension tubes provide an additional "backhaul" of the focalizer, which is typically required for short-range ground-based observations through telescopes, or for astrophotography applications.4. With this simple and practical device, you can extend the focal length of your telescope by 35mm or a little more.Parameter:Product name:2" Telescope Eyepiece Extension Tube AdapterOptical Length:35mm 50mm 80mmFits in: 2" telescope focusersConnection (to the Telescope):2"Ring Clamp:yesColour:blackMMaterial:aluminiumType:adapterType of Build:Extension tube==========Origin : Mainland ChinaCertification : NoneName : 2-Inch Telescope Eyepiece Extension Tube AdapterMaterial : MetalOptical Length : 35mm/50mm/80mm

• Compatible with 35mm, 50mm, and 80mm eyepieces for versatile astronomical viewing.
• Designed with 2-inch filter threads for easy attachment of filters and accessories.
• Enhances your telescope's optical performance by allowing for extended focal lengths.
• Lightweight and portable design makes it ideal for outdoor stargazing and astrophotography.