La longue-vue Pentax 80 ED : présentation et avis

he Pentax 80ED is a large scope, nearly unknown in French-speaking countries. It is yet housed in an exceptionally lightweight magnesium-alloy body Incorporating Extra-low Dispersion (ED) glass elements for optimum optical resolution. Its large 80mm objective lenses allows bright viewing under all light conditions, which is very interesting for digiscoping. The receptacle has a special « O » ring assembly, which allows the body of the scope to be filled with nitrogen, making it fog proof and JIS Class 6 waterproof. A built-in lens shade cuts excessive light and helps to prevent rain and other weather elements from interfering with viewing. An extra wide focusing knob is incorporated for effortless focusing. The large eyespieces, famous in Astronomy, are excellent. A tripod socket with a click-stop rotation mechanism is available to allow for Despite all these qualities, opinions concerning this scope are contrasted.
We propose you a synthesis of this different opinions and analysis  to help you to make your own decision.