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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