1.25 Inch Telescope Extension Tube Adapter With 34mm Optical Length For Eyepieces And 1.25 Inch Filters, Rock Solid Aluminum Locking Thumb Screws, Brass Pressure Ring, Compatible With 1.25 Focusers And Standard Astro Accessories
✔️ Fits 1.25 inch focusers and eyepieces; 34 mm (1.34 in) length
This single-piece extension tube fits standard 1.25 inch focusers and adds 34 mm (1.34 in) of optical length to help you fine tune focus with eyepieces, accessories, and filters. It uses durable aluminum with a brass pressure ring and locking thumbscrews to prevent marring and slipping, while keeping overall weight around 40 g.
✅ 1.25 inch compatibility with focusers and accepts 1.25 inch eyepieces and 1.25 inch filters
✅ 34 mm optical length extends focal distance with minimal weight
✅ Aluminum anodized black body with brass pressure ring for safe attachment
✅ Aluminum locking thumbscrews secure gear and prevent slipping
💡 What is a handy way to extend telescope focal length with standard 1.25 inch accessories?
An extension tube adds precise extra length to your focuser so you can focus cleanly with eyepieces, filters, or cameras.
- Extends focal length for 1.25 inch eyepieces and filters
- Secures with locking thumbscrews and brass pressure ring to protect gear
- Reduces reflections with a threaded interior and anodized aluminum body