NEEWER Zoom Telescope Eyepiece with 7-21mm Focal Length Range, 40°-57° Field of View, 15mm Eye Relief, 5 Elements in 3 Groups for Astronomic Telescopes with 1.25 Inch Barrel, LS-T22
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- 7-21mm Focal Length Range Smoothly rotate the zoom ring to adjust the focal length from 7mm to 21mm. The wide focal length range allows detailed observation of planets and lunar features at high magnification (7mm) or wide viewing of landscapes at low magnification (21mm) without changing eyepieces
- Superb Optical Performance Designed with 5 elements in 3 groups, this telescope accessory offers remarkable image sharpness with minimal chromatic aberration. The matte black aluminum alloy shell makes this eyepiece durable and portable
- Keep Your Eyes Comfortable 15mm long eye relief distance and 40 -57 wide field of view ensure relaxing observation, especially for users who wear glasses. The rubber eye guard provides comfort and blocks unwanted stray light
- Multiple Protective Coatings Multiple coatings reduce glare, eliminate reflection, increase light transmission rate, and enhance image contrast
- 1.25 Inch Universal Eyepiece Compatible with any astronomic telescope that accepts 1.25" eyepieces, and suitable for skywatching, stargazing, planetary nebula observing, and other viewing scenarios
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