2" to 1.25" Self Centering Lock adapter featured ● Calibrate the effect of

● Calibrate the effect of sky brightness on qualitative measures such as the Bortle Scale

You can also leave the eyepieces out overnight without fear of them fogging up between the lens elements

Thickness: 28 mm

Specifications

There are 5 levels of brightness and 2 colours for the reticles: red and green

2" to 1.25" Self Centering Lock adapter featured ● Calibrate the effect of2" to 1. 25" Self Centering Lock adapter Self Centering Visual Back 2" to 1. 25" with M48 Female Thread It is practically a 1. 25" eyepiece holder visual back that can be plugged into a 2" eyepiece holder, thus effectively converting 2" into 1. 25", but with quick locking and self centering ability. This makes for quick an easy eyepiece swapping with no fiddling with locking screws. Also particularly suited for imaging due to the self centering