FINE TUNING SPACER RING M68 0.5mm M69 Protecting Window

Protecting Window

The top part is padded and it has two internal pockets

we have integrated some special features in order to ensure the safety of both the instrument and the operator

By using the separate ZWO dovetail saddle

Off-Axis adjustment range +/- 5°

FINE TUNING SPACER RING M68 0.5mm M69 Protecting WindowThe TS Optics M68 0. 5mm fine tuning spacer rings allow for fine adjustment of back focus distance with much higher precision than with extension tubes. Furthermore, in most cases the rigidity is higher than with variable extension tubes. Specifications Suitable for: M68 x 1 Thickness 0. 5 mm Material Metal Inner diameter 68. 5 mm SKU M68Abstimm05