The male thread of the adapter is M48x0.75, making it useful for attaching 2" filters to T2 (M42). This adapter is also handy for extending male T2 threads to male M48 threads as well as reduction of female M48 threads to female T2 threads.
|Connection (telescope side)
||Female M42 x 0.75|
|Connection (camera side)||Male M48 x 0.75|
|Optical thickness||2.5 mm (without male thread)|
|Overall length||5.5 mm|