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20mm
Super plossl Eyepiece

1.25" Barrel (52° FOV)
Multi Coated

Utilizing the very latest in optical glass types, the Series 4000 eyepieces represent an excellent general-purpose eyepiece. Engineered with a high quality 4-element design and offering a generous 52 apparent field of view, the eyepiece uses premium grade optical glass with multi-layer coatings and blackened lens edges for great image sharpness and contrast.

Features a precision made standard 1.25" barrel and fold down rubber eyeguard for comfortable viewing as well as blocking stray light. Parafocal with other eyepieces of this series to minimize the need to refocus when switching eyepieces.
  • Focal Length: 20mm
  • Barrel Size: 1.25"
  • Apparent FOV: 52
  • Eye Relief: 15mm
  • Number of Elements: 4
  • Optical Coatings: Multi-Coated
  • Blackened Edges: Yes
  • Parfocal: Yes
  • Waterproof: Yes
$69
3 Year Manufacturer's warranty
In Stock
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