ADAPTER M54 MALE TO M42 FEMALE M56 these screws turn the accessory

these screws turn the accessory and therefore alter the collimation

SynScan Hand Controller (sold separately) Warranty 2 years for electronic parts

3” adapter has only 2mm of optical thickness

Alternatively it can be used the CLS-CCD filter that cuts off the infrared and ultraviolet wavelengths

ADAPTER M54 MALE TO M42 FEMALE M56 these screws turn the accessoryThis adapter consists of a male M54 x 0. 75 thread on one end and a female M42 x 0. 75 thread on the other. Optical thickness of the adapter is effectively zero. This is very useful for connecting accessories such as filter drawers or filter wheels with a female M54 x 0. 75 thread to accessories with male M42 x 0. 75 (T2) threads. Specifications Optical length 0 mm (5 mm thread length) Clear aperture 41 mm Outer diameter 54 mm Connection side A Male