SKYWATCHER SKYMAX MAKSUTOV CASSEGRAIN 150/1800 GO-TO The objective lens is fully

The objective lens is fully multi coated with the Skywatcher proprietary "Metallic High-Transmission Coating" (MHC) for an effective anti-reflection result that approaches a transmission of 99

Fits bars with dimensions of 160mm x 160mm x 480mm

As for the Linear

This camera can achieve higher SNR (signal to noise ratio) with just one single exposure

SKYWATCHER SKYMAX MAKSUTOV CASSEGRAIN 150/1800 GO-TO The objective lens is fullyThe Sky Watcher 150 1800 Skymax Maksutov Cassegrain is a compact and powerful optical design that combines a front meniscus and two mirrors. As the optical tube is closed by the meniscus, the mirrors are protected from atmospheric agents such as humidity and dust. Also a closed tube does not suffer from tube currents that limit the resolution power. The tube is compact but the focal length is long, allowing high magnification with the medium focal