ADAPTER M68 MALE TO M54 MALE 3mm Gran Turismo plus a built-in 2" filter

plus a built-in 2" filter thread for mounting light pollution filters

The 11:1 fine focus control allows for accurate and backlash-free focusing

Here’s some examples

Conical extension tube with M54 x 0

The Officina Stellare PRO RC Series are built with the best quality Ritchey-Chrétien optics

ADAPTER M68 MALE TO M54 MALE 3mm Gran Turismo plus a built-in 2" filterThis adapter consists of a male M68 x 1 thread on one end and a male M54 x 0. 75 thread on the other. Optical thickness of the adapter is 3mm. This is very useful for connecting accessories such as filter drawers or filter wheels with a female M68 x 1 thread to accessories with female M54 x 0. 75 threads. Specifications Connection side A Male M68 x 1 Connection side B Male M54 x 0. 75 Optical length 3 mm SKU AX M68M M54M