BAADER DIAMOND STEELTRACK 2" FOCUSER FOR REFRACTORS HEQ5 It has an external diameter

It has an external diameter of 2" so it can be used as a 2" to M42 (t2) adapter to connect DSLR rings to 2" draw tubes or focusers

99 mm with 2" barrel

With additional adapters

the CLS has a wider bandpass so it is preferred in areas with mild to moderate light pollution

Practical dust-cover for all types of telescopes

BAADER DIAMOND STEELTRACK 2" FOCUSER FOR REFRACTORS HEQ5 It has an external diameterThe Baader Diamond Steeltrack 2" Focuser for Refractors is a high capacity, high precision micro geared focuser for use with refracting telescopes. Unlike standard Crayford or rack & pinion drives, the true diamond micro geared mechanism has zero backlash and zero flexure. It is compatible with the Prima Luce Lab Sesto Senso 2 or ZWO EAF electronic focusers. Note: In order to mount the ZWO EAF to the Steeltrack, you will need to drill holes in the