Alstar 1.25 inch Telescope Zoom Eyepiece - 7 to 21mm Zoom Lens Telescope Eyepiece Multi-Coated Optics Variable Magnification Compatible with Telescopes Filter Threads for Viewing Planets Nebulae
Product details
| Management number | 208574637 | Release Date | 2026/03/22 | List Price | $17.60 | Model Number | 208574637 | ||
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- Seamless Magnification Control: A simple twist of the zoom housing adjusts focal length from 7mm to 21mm; Ideal for planetary clusters, lunar details, and deep-sky nebulae observation
- Extended Eye Relief for Eyeglass Users: 16 to 33 mm adjustable eye relief accommodates eyeglass wearers with zero vignetting; Foldable soft-rubber eyecup ensures comfortable viewing at all focal lengths
- Versatile for All Observers: Wide 30 degree to 43 degree apparent field of view adapts to planetary and deep-sky targets. Precision stepless zoom mechanism outperforms fixed focal length eyepieces
- Premium Multi-Coated Optics: Premium 7-element 4-group high-index optical system with multi-layer anti-reflection coatings delivers sharp high-contrast celestial views; Blackened lens edges and precision anti-reflective threading eliminate stray light interference for vivid astrophotography
- 1.25 inch Zoom Eyepiece: Enabling the observation of both the Pleiades star cluster and lunar craters rubber traction ring ensures a good grip Additionally the 1.25 inch barrel is threaded for compatibility with filters
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Eyepieces
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