ADAPTER M54 MALE TO M42 FEMALE M56 Alternatively it can be used

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

5 lb counterweights

This controller regulates the power of up to 4 dew heaters with RCA connectors

The D2 line at 5890Å is brighter than both Calcium and even Hydrogen Alpha

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

ADAPTER M54 MALE TO M42 FEMALE M56 Alternatively it can be usedThis 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