Celestron Omni series eyepieces allow you to dial in the right magnification for clear and sharp images of astral bodies. The 52 degree apparent field of view in this eyepiece is perfect for viewing the Moon, planets and deep-sky objects.
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If you are looking to move up to a higher quality eyepiece the Omni series provides more enhanced features in a wider selection of focal lengths. Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique.
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Minimal distortion: usually, the distortion of PL eyepiece is about 10%, that of ordinary or eyepiece is about 8%, while that of Zeiss or eyepiece is only about 4.5% after using aspheric surface, but the price is very high.
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Item: Newtonian reflection fully positive 20mm eyepiece. Focal length: 20mm.
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Item Is In Good Used Condition.
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Item: Newtonian reflection fully positive 20mm eyepiece. Focal length: 20mm.
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SVBONY Super-wide Angle 1.25" 8mm-24mm zoom eyepiece. SVBONY super-wide angle 1.25" 10mm-30mm zoom eyepiece. The internal lenses of a parfocal zoom eyepiece move inside the barrel as the focal length is adjusted to keep focus.
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Minimal distortion: usually, the distortion of PL eyepiece is about 10%, that of ordinary or eyepiece is about 8%, while that of Zeiss or eyepiece is only about 4.5% after using aspheric surface, but the price is very high.
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