Celestron 12.5mm Crossaim Illuminated Reticule EyepieceCelestron 12. 5mm Crossaim Illuminated Reticule 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

but certainly helpful if other circumstances are given and especially helpful for the weather conditions of the average UK sky

All-new ergonomically designed dovetail clamping knobs

The Celestron 8-24mm Zoom Eyepiece uses premium optics that are fully multi-coated for crisp

The motors of many telescope mounts will behave in an erratic fashion at such low voltage

AUTOGUIDING

to reduce diffraction spikes and light loss

Tave:  T>90%

Get the benefit of a 2” barrel with the magnification normally reserved for 1

406mm Parabolic Primary Mirror (Low-Expansion Borosilicate Glass)

8° Hybrid Stepper Motors

and included are instructions for use and care

RCX 400 12”