Explore Scientific focal extender, 2-inch barrel, 4 elements
A 2-inch focal extender with 4 optical elements for telescope eyepieces. Enhances magnification under good seeing conditions; note customers report weight as a consideration
Highlights
- 2-inch barrel, 4 elements
- potential for doubled magnification
- noted good views under favorable conditions
Pros
- 4-element focal extender
- 2-inch barrel compatibility
- sharp imaging under good seeing
- recognizable optical quality across reviews
- functional for doubling magnification
Cons
- heavier than expected
- mixed optics quality feedback
Best For
Features
- Doubles optical enhancement with a 4-element design
- 2.0 inch barrel diameter aligns with compatible eyepieces
- Overall length 118 mm and width 66 mm for portability
- Designed for use under appropriate seeing conditions to achieve higher magnification
- Maintains 4-element focal extender configuration for optical performance
