Andoer- Telescope Extension Tube M48X0.75 50mm Aluminum Alloy Astronomical Telescope Extension Ring

:1. M48 Thread Design: This telescope camera extension tube features a standard M48x0.75mm threaded design with an outer diameter of 2 inches, ensuring compatibility with most telescopes, cameras, and astronomical devices.2. Anti Reflection Coating: The interior threads are treated with a matte finish to minimize optical reflections and interference. This ensures clearer, brighter images during photography.3. Accurate Focal Length Adjustment: This telescope camera extension Ring allows for accurate image scaling, meeting the accurate spacing requirements for focal reducers and field flatteners.4. User Friendly Design: Designed for easy installation and removal, this extension tube is suitable for both beginners and experienced users. Whether you're a hobbyist or a professional astrophotographer, you can easily connect it to your telescope for accurate observation or imaging.5. Rugged Construction: Made from a full metal aluminum alloy and treated with anodized aluminum, this astrophotography focus extender tube boasts improved durability. It’s built to withstand harsh conditions.Specification:Item Type: Telescope Extension TubeMaterial: Aluminum AlloyAnti Glare Treatment: Inner Anti Glare ThreadInner Thread Specification: M48x0.75mm / M48x0.03inOuter Thread Specification: M48x0.75mm / M48x0.03inOuter Thread Depth: Approx. 4mm / 0.16inOuter Diameter: Approx. 2in / 50.8mmFlange Distance: Approx. 50mm / 1.97inTotal Length: Approx. 54mm / 2.13inHow to Use:Install and use.Package List:1 x Telescope Extension Tube: