PRIMA LUCE LAB 180mm RINGS Trolley The SharpStar flattener can be

The SharpStar flattener can be connected to the telescope by using the Zeiss standard thread (male M68x1) or a M63x1 female thread

you can also add the M48 1mm and 0

M42 by Davide Mancini & Darko Prlenda | Officina Stellare Veloce RH200

A 20° rotation of the external collar is sufficient to securely hold 2" accessories while staying safe and firm

Accepts Losmandy bars only

PRIMA LUCE LAB 180mm RINGS Trolley The SharpStar flattener can beThe 180mm PLUS support rings are designed for optical tubes with a diameter of 180mm. These rings belong to the PLUS system (Prima Luce Universal System) that includes a large variety of telescope rings, bars, guide rings and dovetail clamps. The rings have a system of drilled and threaded holes that maximize the compatibility between parts, allowing several mechanical combinations and assembly solutions. They are compatible with several telescopes