First light M16 with ZWO 153F4 newton and ATIK One ZWO 153F4 Carbon Newton: Diameter:6″ (153mm) Focal ratio: F4 Weight(including handle, dovetail and rings): 3.8kg (8.3lb) Focuser: 10:1 dual speed focuser back focus: 65mm (+-5mm) secondary size: 64mm PV of the primary mirror: < 1/10λ (Surface PV) Free shipping through EMS now (limited time and […]