Sky-Watcher Capricorn-70 EQ1 Achromatic Refractor Telescope Description. The Sky-Watcher Capricorn-70 is a classic two-element air-spaced achromatic refractor telescope of very good quality & makes an excellent choice for the more serious novice astronomer. It will provide memorable views of the Moon Stars Star Cluster Bright Planets Nebulae & Galaxies. Supplied with the EQ1 equatorial mount which when polar aligned will allow you to easily track objects as they move across the night sky via its slow motion control cables.