ZWO FILTER DRAWER M54 V2 probe the Optolong IR/UV cut is

the Optolong IR/UV cut is highly recommended to reduce the chromatic aberration

with such a short focal ratio

the temperature detected by the temperature probes you have installed and the variation of the power supplied by the EAGLE to the dew heaters

A series of auxiliary functions are provided to help the user for a quick alignment of the mount to the celestial pole

ZWO FILTER DRAWER M54 V2 probe the Optolong IR/UV cut isThe newly redesigned ZWO M54 filter drawer allows you to manually add a 2" mounted filter to your optical train. This updated design is better sealed than the previous version, so light leaks are no longer a problem with extremely long exposures. The included filter holder has a M48 x 0. 75 thread for standard 2" filters. Two magnets secure the draw and a grab screw adjusts its tension. The drawer includes a M48 female M54 male adapter to adapt the