This is a very high quality anodized aluminum adapter that has filter threads at the bottom for 2" telescope filters (48mm threads). It also has an internal brass ring that the set screw hits to hold your 1.25" eyepiece inside. This eliminates marks on your eyepiece barrel. Nice large thumbscrew that is easy to turn even in very cold conditions or with gloves on.
- Universal Compatibility & Versatile Use: Effortlessly adapt 1.25" telescope eyepieces to any 2" telescope focuser; diagonal or eyepiece holder; Perfect for astronomer who want seamless integration of existing 1.25" accessories with 2" optical system
- Premium Metal Construction: Machined from advanced anodized aluminum with precision threads (48mm filter compatible); Features anti-reflective matte finish and secure compression-ring design for better providing enhanced protection for fixed eyepiece
- Dual Fixing Design System: Brass Compression Ring - Provides gentle yet firm grip on eyepieces without marring surface; Large Knurled Thumbscrew - Extra wide textured collar ensures slip-free tightening even with gloves during cold observation session
- Double-Function Interface System: The bottom includes 2" tube diatemer that connect to 2" telescope focusers or other 2" telescope accessories and M48x0.75 female thread to connect to 2" telescope filter with M48x0.75 male thread
- 2 to 1.25 Eyepiece Adapter: Astromania eyepiece adapter multiplies your viewing options affordably - use 1.25" eyepieces with 2" systems instead of buying expensive 2" equivalents - for cost-effective solution for building versatile eyepiece collection
- Universal Compatibility & Versatile Use: Effortlessly adapt 1.25" telescope eyepieces to any 2" telescope focuser; diagonal or eyepiece holder; Perfect for astronomer who want seamless integration of existing 1.25" accessories with 2" optical system
- Premium Metal Construction: Machined from advanced anodized aluminum with precision threads (48mm filter compatible); Features anti-reflective matte finish and secure compression-ring design for better providing enhanced protection for fixed eyepiece
- Dual Fixing Design System: Brass Compression Ring - Provides gentle yet firm grip on eyepieces without marring surface; Large Knurled Thumbscrew - Extra wide textured collar ensures slip-free tightening even with gloves during cold observation session
- Double-Function Interface System: The bottom includes 2" tube diatemer that connect to 2" telescope focusers or other 2" telescope accessories and M48x0.75 female thread to connect to 2" telescope filter with M48x0.75 male thread
- 2 to 1.25 Eyepiece Adapter: Astromania eyepiece adapter multiplies your viewing options affordably - use 1.25" eyepieces with 2" systems instead of buying expensive 2" equivalents - for cost-effective solution for building versatile eyepiece collection