The Explore Scientific 3X Focal Extender delivers high-magnification performance while preserving the eye relief and optical quality of your favorite eyepieces. Whether you're using 1.25” or 2.00” accessories, this versatile extender is perfect for planetary, lunar, and double star observing, especially with fast focal ratio telescopes.
Built with fully EMD-coated air-to-air surfaces and edge-blackened optics, this extender maximizes light transmission while minimizing reflections — producing bright, high-contrast images even at extreme magnifications. It's a must-have for eyeglass wearers, deep-sky hunters, or anyone looking to get more out of their eyepiece collection.
CA Residents: Prop 65 WARNING(S)
⭐ Features & Benefits
- 3X magnification with any compatible 1.25” or 2.00” eyepiece
- Maintains eye relief of longer focal length eyepieces for comfortable viewing
- Fully EMD-coated lenses enhance brightness and image clarity
- Edge-blackened optical elements reduce glare and internal reflections
- Dual-barrel compatibility with both 1.25” and 2.00” accessories
- Expand the power of your eyepiece collection without sacrificing quality
🌟 Who It’s For
- Observers using fast telescopes needing more magnification
- Eyeglass wearers who rely on long eye relief
- Astronomers seeking high-detail planetary or lunar views
- Users of wide field eyepieces looking to boost power while keeping edge-to-edge sharpness
🎯 What You’ll Be Able to See
- Lunar surface features like craterlets, ridges, and rilles in extreme detail
- Planetary features such as Jupiter’s cloud bands and Saturn’s ring divisions
- Closer views of double stars and bright deep-sky objects
🎒 What’s Included
- Explore Scientific 3X Focal Extender (1.25"/2.00")
- Protective dust caps for both ends
- Instruction manual/documentation
Specs
| Item Number | FE03–020 |
| Barrel Size | 2.00-inch |
| Length | 125mm |
| Width | 66mm |
| Weight | 1.7 lbs |
Warranty Information
This product is covered by a Limited One-Year USA Warranty, valid when registered within 60 days of purchase. To activate your warranty, please visit the Explore Scientific website and complete the registration form at: