The CrossAim Reticle Eyepiece from Celestron is the perfect tool for polar alignment of your telescope. The eyepiece is a 12.5mm Plössl with a red LED illuminator and an on/off brightness control knob. It has a Double Crosshair reticle and uses three included 1.5V alkaline batteries. The optics are fully coated. The eyepiece has a focal length of 12.5mm and an FOV of 40°.
- The perfect choice for accurate polar alignment
- Use with off-axis guiders to center and guide celestial objects
- Double crosshair reticle delivers accurate centering and guiding
- Adjustable red LED brightness control illuminates the reticle's crosshairs and preserves night vision
- Fully coated lenses increase light transmission with an anti-reflective layer of coating on all air-to-glass lens surfaces