Celestron Omni 32mm Plossl Eyepiece

93323

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Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique. The Omni is a 4 -element premium symmetrical Plossl optical design.

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£ 44.95

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If you are looking to move up to a higher imagequality 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. The Omni is a 4 -element premium symmetrical Plossl optical design.

Features include blackened lens edges to minimize internal reflection and maximize contrast, multi-layer coating group on each lens surface to maximize light transmission and contrast, and each Omni eyepiece goes through a two-step anodizing process to prevent reflection from the top eyepiece barrel. Threaded barrels accept 1-1/4" Celestron thread-in filters.

Specifications for Celestron's Telescopes Eyepieces OMNI Series:

Omni Series model # :   Focal Length  Eye Relief  Apparent Field  Size
93316:   4mm  6mm  52°  1-1/4"
93317:   6mm  5mm  52°  1-1/4"
93318:   9mm  6mm  52°  1-1/4"
93319:   12mm  8mm  52°  1-1/4"
93320:   15mm  13mm  52°  1-1/4"
93323:   32mm  22mm  52°  1-1/4"
93325:   40mm  31mm  43°  1-1/4"

Our Comment

Celestron's Omni Plossl 32mm and 40mm oculars offer very good sharpness, a flat field and plenty of eye relief. Celestron Omni's are fully multi-coated, edge blackened and baffled. The apparent field of view (AFOV) of the 32mm Omni is 52-degrees and the AFOV of the 40mm is 43-degrees, due to vignetting caused by the 1.25" mounting barrel. This result of this difference in AFOV is that in any given telescope the 40mm and 32mm Plossls have essentially the same actual field of view. The 40mm is brighter because it has a larger exit pupil, while the 32mm makes everything in the field of view larger.

These are high grade Plossls and good low magnification eyepieces. If you want to stay with Celestron 1.25" eyepieces, they are really the only choice, since X-Cel's are not offered beyond 25mm. Fortunately, the 32mm and 40mm Omni Plossls do a good job.

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