S8306 M68 extension bucket M68 flange distance adjustment ring connecting ring

S8306 M68 * 1 extension bucket
Thread specification: M68 * 1
External thread length: 3mm
 
Note:
The standard specification of the product is M68 * 1 thread, suitable for standard tolerances on the market, and compatible with interfaces such as Yuzhong, Ruixing, QHY, etc
ZWO's M68 large OAG is currently not applicable.