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Tecnosky 7E 7.2mm to 21.5mm Zoom Eyepiece
Tecnosky 7,2 mm - 21,5 mm
New product
Tecnosky 7E 7.2mm to 21.5mm Zoom Eyepiece
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Tecnosky 7E 7.2mm to 21.5mm Zoom Eyepiece
The Flexibility of a Set of Quality Eyepieces, All-In-One!!
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 7.2mm to 21.5mm and a corresponding apparent field of view of 60°-40°. For convenience, focal length positions of 7.2, 10, 13.5 & 21.5mm are engraved on the eyepiece barrel. The zoom is super-smooth to operate and a pleasure to use. Eye relief 15mm.
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. Weight approx 190g.
Specifications:
Capacity |
|
| Type of build | Zoom eyepiece |
| Focal length (mm) | 7,2-21,5 |
| Apparent field of view (°) | 60-40 |
| Eye relief (mm) | 18mm-19.5mm |
| Coating of optical system | multiple |
| Number of lenses | 7 |
| Number of groups | 4 |
| Connection (to the telescope) | 1,25" |
Special features |
|
| Homofocal | yes |
| Illuminated | - |
| Eyepiece set | - |
| Filter thread | yes |
| inert gas charge | no |
| Zoom eyepiece | yes |
General |
|
| Weight (g) | 190 |