BAADER CLICKLOCK EXPANDER FROM 1.25" TO 2" Spacer 5" focusers which have 4

5" focusers which have 4

For instance

not only will the telescope track without periodic error or have any backlash at all

One zipper

The aspheric eyepiece construction allows for fewer glass surfaces in combination with the extreme quality of the Phantom Group multi-coatings

BAADER CLICKLOCK EXPANDER FROM 1.25" TO 2" Spacer 5" focusers which have 4The Baader ClickLock System is a precise accessory clamp without locking screws. The eyepiece, diagonal or accessory used is held without the inconvenience of the thumbs screws which causes tilt and therefore changes the collimation of the optical system. This expander from 1. 25" to 2" fits on 1. 25" barrels and holds 2" accessories. On the telescope side there is an M28. 5 thread which allows you to attach any 1. 25" mounted filter. The 1. 25"