Material: aluminum alloy
Size: outside diameter 67mm, inner diameter 45mm.Length：69-81.5mm
The other end of the product is the M42 universal camera interface (42mm thread), it needs to purchase a 42mm threaded port camera adapter ring, combined use
For eyepiece with a diameter under 45mm.
For CANIS LATRANS Spotting Scope
16~48X68ED Spotting scope CL26-0014
20~60x85ED Spotting scope CL26-0015