M68 EXTENSION RING 8mm Bar The majority of telescope mounts

The majority of telescope mounts employ a worm drive gear system

A solid 2" Crayford focuser with a 10:1 dual-speed reduction allows precise

Tube diameter

This Eagle-compatible power cable has a 12V jack on one side and an 8A plug with a screw on the other side to prevent it from being accidentally disconnected from the Eagle

It can be also used as conversion ring from male to female thread

M68 EXTENSION RING 8mm Bar The majority of telescope mountsThis 8 mm extension ring is often used for professionals filed flattener such as the SharpStar 2. 5" field flattener. This extension ring has a M68 x 1 male thread on one side and a M68 x 1 female thread on the other side. The total thickness is 12 mm and it includes the 4 mm male thread Specifications Connection (side a) M68 x 1 male Connection (side b) M68 x 1 female Optical thickness 8 mm (not including 4 mm male thread) Clear aperture 63 mm SKU