Description
This premium 1.25″ diameter eyepiece — invented in Japan by one of its most respected optical designers — features lens elements manufactured to exact tolerances and to a higher degree of polish than competitive models. It is a state-of-the-art 7-element design using modern high-refractive-index glasses, resulting in flat-field images superior to those of simpler 4-element Plossl and orthoscopic designs. The wide 52° apparent field of view is a pleasure to behold.
Superior Coatings
While some manufacturers’ “fully multi-coated” eyepieces have a single layer of magnesium fluoride on most lens surfaces and multi-coatings only on the outer exposed surfaces, this is not the case with this eyepiece. This Orion Ultrascopic eyepiece doesn’t skimp on coatings. It is Ultra Multi-Coated, which means that every air-to-glass lens surface is vacuum coated with multiple antireflective layers. Ultra Multi-Coating is the highest level of multi-coating there is.
Enhanced Images
The superior coatings dramatically improve both brightness and contrast, increasing the visibility of faint nebulas, planetary details — anything you view with your telescope. A low-reflection barrel design with blackened lens edges provides a significant increase in contrast and a reduction of stray reflections.
Each Ultrascopic eyepiece is parfocal, so you need only minimal refocusing when switching powers (except for the 35mm, optimized for the widest field possible in a 1.25″ barrel). Standard filter threading. If you have a quality telescope and want to see what it can really do, upgrade to this Ultrascopic eyepiece today!
Eyepiece dengan transmisi cahaya ekstra tinggi!
This premium 30mm eyepiece is parfocal so you need only minimal refocusing when switching powers Fully multi-coated to ensure maximum light transmission Superior coating dramatically improves both brightness and contrast, increasing visibility Includes a detachable winged rubber eyeguard to block out stray light and help position your eye One-year limited warranty
| Product Specifications: | |
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Design
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Proprietary |
| Eyepiece focal length | 30.0mm |
| Barrel size | 1.25″ |
| Apparent field of view | 52.0-deg |
| Eye relief | 21.0mm |
| Coatings | Fully multi-coated |
| Number of elements | 5 |
| Filter threads | Yes |
| Parfocal | Yes |
| Field stop diameter | 20.8mm |
| Barrel security recess | Yes |
| Blackened lens edges | Yes |
| Rubber eyeguards | Yes |
| Body material | Aluminum |
| Weight (oz.) | 6.35 |
| Dimensions | 3.2 in. x 1.6 in. |
| Warranty | One Year |
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