Before looking at a sample of equatorial (EQ) mounts on the market, we should answer three questions: what are they, why are they important and what makes some of them so astonishingly expensive?
Headquartered in the sun-drenched Mediterranean coastal city of Marseille in southern France, Unistellar manufactures technologically advanced telescopes that eschew conventional optical designs in favour of a hybrid opto-electronic approach.
Nik Szymanek tests a new dual-passband filter from Antlia that allows imagers to simultaneously capture narrowband data in hydrogen-alpha and oxygen-III light.
This latest flip-mirror star diagonal from Baader Planetarium offers high-quality views for imagers who want to use a guiding eyepiece, as well as a revolutionary third port for off-axis autoguiding, writes Steve Ringwood.