Celestron CrossAim 12.5 mm Illuminated Reticle Eyepiece

Description:

• Ideal for Accurate Polar Alignment.
• Well Suited for Use With Off-Axis Guiders for Centering and Guiding of Stars
• Adjustable Red LED Light Brightness Control to Illuminate Crosshairs and Preserve Night Vision
• Double Crosshair Reticle for Accurate Centering and Guiding of Stars
• Fully Coated Optics for Excellent Light Transmission on Faint Stars
• Includes Reticle Eyepiece and Illuminator 

Using CrossAim Eyepiece:

1. Thread illuminator into side of eyepiece barrel-s threaded hole.
2. Rotate focusing ring until crosshairs are visibly sharp.
3. Use your telescope's focuser to focus on an object through the eyepiece.
4. Rotate the On/Off brightness control knob to turn on the red LED illuminator.
5. Turn knob to increase brightness to desired level.

CrossAim Eyepiece includes:

• 12.5 mm Plossl Eyepiece
• Red LED Illuminator
• Batteries (included)