Astromania Zoom Eyepiece for Telescope, 7-21mm Zoom Lens Variable Power & Multi-Coated Design for Planetary & Deep Space Observation Compatible with Telescope That Accepts Telescope Eyepiece 1.25 Inch
Product details
| Management number | 208574629 | Release Date | 2026/03/22 | List Price | $16.40 | Model Number | 208574629 | ||
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- A twist of the zoom eyepiece housing changes focal length from 21 mm to 7 mm providing a variety of viewing magnification powers; excellent contrast and sharpness making the zoom also of interest for planetary observing
- Exceptionally long 16 mm to 33 mm eye relief range allows eyeglass wearers to enjoy the entire view while still wearing their corrective lenses without vignetting; the Zoom eyepiece lets you change magnification power without physically changing eyepieces
- Apparent field of view is 30 degree at 21 mm and 43 degree at 7 mm; rubber traction ring ensures a good grip; the 1.25 inch barrel is threaded for filters; actual magnification range will depend on the focal length of your telescope
- Eyepiece consists of four elements which are coated with anti-reflection coatings for clear and high contrast views; the large eye lens coupled with the long eye relief means the Zoom provides particularly good viewing comfort; the eyecup can folded down
- Comfortable viewing at every focal length setting superior to most fixed focal length eyepieces; especially at the shorter focal length settings; precise and stepless adjustment from 7mm to 21mm; a nice value in a quality zoom eyepiece
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