WebJan 30, 2024 · The field of view was of course much larger than using my Celestron Nexstar 6SE as the focal length of 377mm (the telescope is at 420mm but with the 0.85x Reducer/Flattener this comes down to... Web24 rows · 72mm aperture, 420mm focal length, f/5.8 focal ratio. 2-inch dual-speed Crayford-style ...
Sky-Watcher Evostar ED APO 72mm f/5.8 Refractor …
WebFocal length: 420mm. F-Ratio: F/5.8. Multi-coated objective lens. Weight: 1.95KG. Sky-Watcher Evostar 72ED Overview & Review. Sky-Watcher Evostar 72ED DS-Pro In the box. Aluminium carry case-The Skywatcher Evostar 72ED DS Pro refractor comes with a sturdy … WebSadr, seconda stella più luminosa della costellazione del cigno, dista da noi 1800 anni luce, ed essendo al centro della via lattea, si nota sul suo sfondo una gran quantità di gas tool life equation problems
SkyWatcher 0.85x Focal Reducer and Field Flattener for EvoStar …
Web420mm Focal Length, f/5.8 Focal Ratio Extra Low-Dispersion Lens Element Show More Use the Sky-Watcher Evostar ED APO 72mm f/5.8 Guidescope … WebSep 18, 2024 · Telescope Focal Length 650mm (f/5) Eyepiece Supplied 28mm (2"/50.8mm) 6x30 Finderscope Parabolic Primary Mirror 2" (50.8mm) Dual-Speed 10:1 Crayford Focuser 0.5mm Ultra-Thin Secondary Mirror Supports 30% more Light-Gathering than 114mm Weight (including tube-rings and mounting dovetail) approx 4 kg Customer reviews Average … WebJan 2, 2024 · Dual speed 2” Crawford focuser. The scope mounts via rings and a small dovetail. We do not have the included accessories picked for this yet but it will probably come with a diagonal here in the US and maybe a small finder. The focal length is 420mm, making this an f/5.8. We are looking into a reducer/flattener for Imaging. tool life monitoring