Eyepiece 20mm Ar 52° LER 1.25", EXPLORE SCIENTIFIC
Will get 21.06.2024 |
Solidly in the mid-magnification range for most amateur telescopes, the 20mm is a true workhorse for visual observers. If you love deep sky observing, eyepieces in this focal length range not only give healthy increases in magnification, but the contrast enhancement of giving a darker background sky can make all the difference of how galaxies and nebulae appear under suburban skies.
Comfort, Quality, Value. The Explore Scientific 52° LER Seriesmid-range focal length eyepiecesare excellent flat-field multi-element oculars that can transform your visual astronomy experience. With an apparent field of view of 52 degrees, these eyepieces offer incredible value in a very nice eyepiece. Expect exceptional quality and value versus a comparably priced Plossl.
These eyepieces are the choice for observers wearing glasses - with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patented EMD"-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed - this makes sure you will be able to enjoy these eyepieces for many years to come.
SPECIFICATIONS
OPTICAL SPECIFICATIONS | |
---|---|
Focal length | 20 mm |
Apparent field of view | 52 degrees |
GENERAL TECHNICAL DATA | |
Eyepiece Barrel Diameter | 31.7 mm |
Eyecups | Rubber eyecups, foldable |
Interpupilar distance min. | 15 mm |
Warranty | 2 years |
DIMENSIONS & WEIGHTS | |
Total length | 76 mm |
Net weight (without access.) | 175 g |
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