Buy Celestron Luminos Ocular Lens 7 mm Focal length: 31 mm. Make sure this fits by entering your model number., 82° wide angle, Plug measures 2 inches, 27 mm eye relief. The Celestron Luminos Ocular Lens 7 mm is the best product which has 3.2 rating from many happy costumers, you can get this great product in amazon for £ 247.32 ….for update price you can check for discount price here.
Size Name:31mm Brennweite Visual field comparison, the visual field of the Luminos eyepieces with 82° significantly greater than with simpler eyepieces Luminos eyepiece series: 7mm, 10mm, 15mm, 19mm, 23mm, 31mm Click here to enlarge The Luminos eyepiece series overviewThe wide-field eyepieces of Luminos series from Celestron offer a pleasant 82 degrees wide apparent field. Although with simpler eyepieces the field is often limited to 55 degree or less, the image edge can barely be seen in the Luminos eyepieces. This enables not only a more pleasant image – a much larger section of the sky can be seen at the same magnification level! This immensely facilitates orientation in the sky. In addition, many deep-sky objects such as galaxies, nebulae or star clusters act nicer if their environment is to see in which they are embedded. The graphic shows the different frame of a simple Plossl eyepiece and a Luminos-wide-angle eyepiece at the moon at the same magnification and focal length. The inner circle represents the field of view of an eyepiece with 50 degree field of view, the outer one the Luminos eyepiece is 82 degrees.All eyepieces of the Luminos series are parfocal. This only requires slight refocussing, if at all, when the eyepiece is changed. Especially on telescopes saves valuable time, in which the observed object could otherwise migrate from the image.With 20mm eye relief eyepieces suitable for eyeglass wearers. The eyecup can be adjusted by turning the rubber armouring and so can not be lost.Luminos 31mm Eyepiece – 2 inch barrel82 degree apparent field – Large field of view at high and low magnificationsAdjustable eyecups – Ultra-thin design for eyeglass wearersParfocal eyepieces – little or no refocusing is necessary when switching between different magnificationsFilter thread – for 2 inch filter31mm focal lengthPolished and anodized aluminium socket – Scratch ResistantRubber ring – For secure grip and comfortable adjusting the eyecupAbout the manufacturer CelestronThe name “Celestron” has stood for quality optics at affordable prices for over 50 years. The invention of a new method of production enabled the company’s founder, Tom Johnson, to produce inexpensive, compact telescopes with large aperture and excellent optical quality in the 1960s. The “Schmidt Cassegrain telescope” was born and has revolutionized astronomy. Countless other innovations followed, from the first mass-produced fully computer-controlled telescope “Compustar” to hand planetarium “SkyScout” and the fully automatic “SkyProdigy” telescopes. The product range has expanded enormously in recent years, Celestron telescopes and accessories also offers binoculars, spotting scopes and microscopes to – for beginners as well as professional users.
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