9mm or less
- 70 degree Field - Wide FOV for high and low magnifications
- Extendable twist-up eyecups - Good for eyeglass wearers
- Parfocal eyepiece - Little or no focusing is needed when changing from low to high power.
- Threaded barrels - Accept 1.25" Celestron thread-in filters.
- Shock resistant rubber covering - Scratch and dent resistant
- No slip grip - Designed for secure handling even in moist conditions
- Roll guard - Ergonomic contours prevent eyepiece from rolling off flat surfaces
- 28 mm clear aperture surface lens - For comfortable viewing