ADAPTER M54 MALE - M48 FEMALE 2mm CEL-FALL-25 then this will not matter

then this will not matter

You may effectively use the mount as a Dobsonian telescope with manual pointing

which offer high capacity and pointing/tracking precision at a lower cost than traditional radio telescope mounting systems

then re-close the lock-ring

This reflects all the unwanted spectrum from 280 nm up to 1500 nm

ADAPTER M54 MALE - M48 FEMALE 2mm CEL-FALL-25 then this will not matterThis M54 Male to M48 Female adapter has a male M54 x 0. 75 thread on one side and a female M48 x 0. 75 thread on the other. It can be used to connect accessories with M54 female threads to accessories with M48 male threads. Specifications Optical length 2 mm Clear aperture 47 mm Outer diameter 69 mm Connection side A M54 x 0. 75 male Connection side B M48 x 0. 75 female SKU AX M54M M48F 2