Amazing Skywatcher (Helios, OVL) Nirvana 4mm 82 Degrees Eyepiece / Unboxing, Review, Use скачать в хорошем качестве

Amazing Skywatcher (Helios, OVL) Nirvana 4mm 82 Degrees Eyepiece / Unboxing, Review, Use

A superb 4mm eyepiece with top specification, ideally suited to telescopes with focal lengths under 1000mm for high power lunar and planetary observation. These top quality ultra wide angle 1.25 inch eyepieces offer an incredible jaw-dropping viewing experience to rival some of the leading premium eyepieces on the market, but at an extremely competitive price. The huge 82 degree apparent field of view, superb field-edge correction and excellent contrast combine to provide a wonderfully immersive and memorable viewing experience. Work superbly in telescopes of all focal lengths. All models are constructed with 7 lens elements in 4 separate groups. These exotic eyepiece models feature large eye-lens elements and soft fold-down rubber eyecups for comfortable viewing. All models are fully broadband multi-coated, feature blackened lens edges, internal baffling and are parfocal. 12mm eye relief on all models. Beautifully finished in high-gloss anodized aluminium with knurled rubber grips. Threaded to accept standard 1.25 inch filters. Weight approx 170g. Nirvana - eyepieces with vision These high quality ultra-wide angle eyepieces offer an incredible observing experience and, at their extremely affordable price, are competitive with some of the leading premium eyepieces. At 82 degrees, the apparent field of view is huge; they have excellent edge correction and superb contrast and make each observing session a special experience. They are excellent for use at all the focal lengths. All models are designed with 7 lens elements in 4 separate groups ​​(except for the 2", 28mm eyepiece). These exotic eyepieces, with their large eyes lenses and soft, twist-up, rubber eyecups, are designed for extra viewing comfort. All models are fully multi-broadband coated, have blackened lens edges and internal baffles and are parfocal. There is 12mm of eye relief with all models. The lens body is designed in attractive anodized aluminium with a knurled rubber grip.