Antares 2" W70Series 34mm Eyepiece (Pre-owned) 2" Newtonian Erect Image Also good to use in

Also good to use in dark sites when light pollution may not be a problem

This Riser base with 4" height is combined with an existing Telrad Mounting Base in order to enhance viewing by off-setting the sight from the main telescope tube

This measurement value can be used to accurately calibrate the frequency of the internal 10MHz crystal oscillator in later software to avoid an internal 10MHz crystal oscillator error and temperature drift

72 arcsec per pixel

75mm threads on one side and Tele Vue 2

Antares 2" W70Series 34mm Eyepiece (Pre-owned) 2" Newtonian Erect Image Also good to use in2" 34mm 6 element eyepiece, 72 deg. AF, 16mm Eye Relief, eyeshield, Rubber Grip, Fully Multicoated.