Explore Scientific 52deg LER Eyepieces

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Eyepiece Focal Length
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Explore Scientific

The Explore Scientific 52° LER Eyepiece Ar is an excellent choice for those wanting to use a solidly built eyepiece with great optical quality, available in a huge range of different sizes. Argon-purged, this eyepiece is waterproof to stand up to the most challenging of observing conditions. It's LER - or Long Eye Relief - design of 15mm means that even those who wear glasses to observe will find viewing through this range a comfortable and rewarding experience.

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 52° Series™ eyepieces are 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.

Another great benefit of these eyepieces is the excellent contrast and ease with which you can gaze, not directly at an object, but slightly to either side. This skill, called using averted vision, is especially helpful when observing faint objects, because using averted vision puts the image on a part of your eye that is more sensitive to light, allowing you to see fainter images.

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