Astromania 7-21mm Zoom Eyepiece for 1.25" Telescopes

Astromania ★ 3.7/5 · ItemOracle Score Mid-Range

$46 USD
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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

Astromania zoom eyepiece with 7–21 mm focal range offers adjustable magnification, long eye relief, and multi-coated optics for clear views. Customers note solid build and good value, with mixed feedback on field of view

Highlights

  • variable magnification 7–21 mm
  • eye relief 16–33 mm
  • anti-reflection coated elements

Pros

  • adjustable focal length 7–21 mm
  • long eye relief for eyeglass wearers
  • multi-coated optics for high contrast
  • 1.25 inch barrel threaded for filters
  • sturdy rotating zoom mechanism

Cons

  • mixed field of view feedback when zoomed
  • view may constrict at certain settings

Best For

  • planetary observing with variable magnification
  • deep-space viewing at different focal lengths
  • eyeglass-friendly viewing
  • filter-enabled viewing with 1.25 inch barrel
  • wide-to-narrow field of view experiments

Features

  • Zoom range from 7 to 21 mm for variable magnification
  • Eye relief 16 mm to 33 mm accommodates eyeglass wearers
  • Apparent field of view 30° at 21 mm and 43° at 7 mm
  • Four-element design with anti-reflection coatings for clear, high-contrast views
  • 1.25 inch barrel is threaded for filters and adjustable, precise magnification

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