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Home / Products / Astronomy Eyepiece / 1.25 Inch 2.5 -9mm Astronomical Telescop
1.25 Inch 2.5 -9mm Astronomical Telescope TMB Eyepiece 58 Degree

1.25 Inch 2.5 -9mm Astronomical Telescope TMB Eyepiece 58 Degree

The 1.25 Inch 2.5–9mm Astronomical Telescope TMB Eyepiece 58 Degree is a precision eyepiece designed for TMB telescopes, optimized for planetary observation. It features a 58-degree field of view and six optical lenses, with focal lengths ranging from 2.5mm to 9mm. The eyepiece includes a 12mm eye relief, front and rear dust covers, and a rubber eye patch for comfortable viewing.

  • 58-degree field of view provides wide, immersive planetary views
  • Six optical lenses reduce chromatic aberration and improve image clarity
  • 12mm eye relief allows comfortable viewing, especially for eyeglass wearers
  • Focal lengths from 2.5mm to 9mm offer flexible magnification options for planetary observation
  • Includes dust covers and rubber eye patch for protection and ergonomic use
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Technical features

  • Size: 1.25 inches (standard barrel diameter)
  • Focal lengths: 2.5mm, 3.2mm, 4mm, 4.5mm, 5mm, 6mm, 7mm, 7.5mm, 8mm, 9mm
  • Field of view: 58 degrees
  • Number of optical lenses: 6
  • Eye relief: 12mm
  • Includes front and rear dust covers
  • Includes rubber eye patch
  • Designed specifically for TMB telescopes

Who it is for

  • Amateur astronomers using TMB telescopes
  • Importers sourcing specialized eyepieces for astronomy equipment
  • Distributors building a catalog of precision optical accessories

Specifications

Size1.25 inches
Focal Lengths2.5mm, 3.2mm, 4mm, 4.5mm, 5mm, 6mm, 7mm, 7.5mm, 8mm, 9mm
Field of View58 degrees
Optical Lenses6
Eye Relief12mm
Included AccessoriesFront dust cover, rear dust cover, rubber eye patch
CompatibilityTMB telescopes

Use guide

  • Select focal length based on desired magnification and telescope focal ratio
  • Use the rubber eye patch for reduced light leakage and improved eye comfort
  • Always install dust covers when not in use to prevent lens contamination

FAQ

What telescopes is this eyepiece compatible with?
Designed specifically for TMB telescopes.
What is the eye relief?
12mm, suitable for comfortable viewing, including with eyeglasses.
Are dust covers included?
Yes, both front and rear dust covers are included.
What is the field of view?
58 degrees, providing a wide and immersive view of planetary surfaces.
Can I use this with other telescope brands?
It is designed for TMB telescopes; compatibility with other brands is not guaranteed.

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