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Tecnosky 9mm to 27mm Zoom Eyepiece
Tecnosky zoom 9-27mm 1.25"
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Tecnosky 9mm to 27mm Zoom Eyepiece
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Tecnosky 9mm to 27mm Zoom Eyepiece
A high-performance zoom eyepiece of top quality construction, providing a flat field of view and crisp, clear distortion-free images. Features a continuous focal length of 9mm to 27mm and a corresponding apparent field of view of 60°-40°. For convenience, reference focal length positions are engraved on the eyepiece barrel. The zoom is super-smooth to operate and a pleasure to use. Eye relief 18mm.
Constructed with 7 lens elements in 4 separate groups. This exotic eyepiece model features a generous sized eye-lens element and soft twist-up rubber eyecup for comfortable viewing. Fully broadband multi-coated, features blackened lens edges, internal baffling and is parfocal. Beautifully finished in high-gloss anodized aluminium with knurled rubber grips. Threaded to accept standard 1.25” filters.
Specifications:
Capacity |
|
| Type of build | Zoom eyepiece |
| Focal length (mm) | 9 |
| Apparent field of view (°) | 60 |
| Eye relief (mm) | 18 |
| Coating of optical system | multiple |
| Number of lenses | 7 |
| Number of groups | 4 |
| Connection (to the telescope) | 1,25" |
Special features |
|
| Adjustable eyepiece cup | yes |
| Homofocal | yes |
| Illuminated | no |
| Filter thread | yes |
| inert gas charge | no |
General |
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