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Celestron 93235 CrossAim Reticle Eyepiece (Black/Silver)

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