zwo

M54 Male, to M48 Female, 21mm in length

The thickness of the M42M-M48F 22.5mm extender is 22.5mm. It is an important astronomical accessory for ASI2600MM Pro users who want to connect the...

Female M48 threads, male M42 threads, 16.5mm long.  Same as the adapter included with most ZWO cooled cameras.

M42 Male, to M42 Female, 21mm in length

PE200 PE160

Optional pillars for the ZWO AM5 PE200 pier extension, used to replace the solid tube portion of the extension.