APM Telescopes. Apochromatic Refractors SKYWATCHER EVOSTAR 80ED PRO KIT | Testar Australia
Astro-Tech AT72ED alternatives under $500? Starfield 102mm f/7 ED Doublet Refractor | First Light Optics Astro-Tech - ED Four Element 65mm f/6.5 Apochromatic Refractor
Sky-Watcher Evostar 72ED DS-Pro OTA | First Light Optics This high-end Evostar-72ED features a doublet objective lens with one Extra-Low Dispersion (ED) glass element. Each air-to-glass surface has multiple anti- William Optics Zenithstar 61 II APO | First Light Optics
We can offer you a range of very high quality refractors in this category. These include eg our two- and three-lens APM Apo instruments, our astrograph series. Skywatcher Evostar 80EDX - 80/600 mm ED Doublet Apo Refractor. The S-FPL53 ED glass lens element which virtually eliminates chromatic aberration. The FPL-53 extra low dispersion glass gives a tack sharp chroma free 1.83 arcsecond resolution. Which camera is best for DSO mounted to Evolux
Extra-low dispersion FPL53 and Lanthanum glass lens elements for very low chromatic aberration; Shorter cooling time than similarly specified triplet Skywatcher Evostar 80EDX - 80/600 mm ED - Teleskop-Express Sky-Watcher EvoGuide 50ED 50mm APO Guide Scope Doublet
Sky-Watcher Dispersion glass) to reduce spurious color halos and fringing to vanishingly low levels. S-FPL53 glass / lens for the ED element. With a focal length of 242 mm it 52 sold 5. Svbony SV503 Astro telescope 70/80/102ED Extra Low Dispersion Achromatic Evolux continues the tradition of affordable yet high quality widefield telescopes. Features. Updated 2-lens element design with Extra-low Dispersion glass
Pure Fluorite offers the highest partial dispersion at around 94.99 V; Ohara FPL-53 glass is very close to Fluorite at 94.93 V and is often called Synthetic The objective lens features an element similar in performance to FPL-53, extra-low dispersion glass (ED) that minimizes the chromatic aberration for the best SKYWATCHER EVOLUX 62ED REFRACTOR | Testar Australia