QHY SPACER RINGS SET - M54x0.75 020089 QHY This model fits on 3

This model fits on 3

8mm (2") diameter filter and has 44mm of free aperture

In this video it is possible to watch how the StarGO Ascom Driver is able to manage several astronomical softwares connected at the same time:

Drivers  Esatto useful articles

the RH250's performance was so good that Officina Stellare decided to put it into full production

QHY SPACER RINGS SET - M54x0.75 020089 QHY This model fits on 3Set of five fine adjustment spacer rings (optical thickness of 0. 5mm, 1mm, 2mm, 3mm, 4mm, 7mm) and 4mm M54 female camera adapter. Specifications Optical thickness 0. 5 mm, 1 mm, 2 mm, 3 mm, 4 mm, 7 mm (not including 4 mm M54 camera adapter) SKU QHY020089