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Astromania 1.25" 90-Degree Erect Image Diagonal – Telescope Star Diagonal with Filter Thread for Refractor Telescopes - The Sky Explorer Skip to main content

The Sky Explorer

Astromania 1.25″ 90-Degree Erect Image Diagonal – Telescope Star Diagonal with Filter Thread for Refractor Telescopes

In Stock

$20.97

Description

  • COMFORTABLE 90-DEGREE VIEWING ANGLE: Bends light at a convenient 90° angle so you can look down into the eyepiece from above, eliminating neck strain when observing targets overhead.
  • UNIVERSAL 1.25” COMPATIBILITY: Designed to fit any refractor or Cassegrain-style telescope with a standard 1.25″ focuser, accepting all 1.25″ eyepieces and threaded 1.25″ optical filters (Note: Not recommended for Newtonian reflectors).

  • PROTECTIVE MIRROR COATING: Features a durable, high-reflectivity mirror surface with a protective coating to prevent degradation and ensure long-lasting optical performance.

  • SOLID METAL BARREL: Precision-machined metal housing provides a secure, wobble-free fit inside your telescope’s focuser.

  • UPRIGHT IMAGE CORRECTION: Delivers an upright, correctly oriented image for a more intuitive and relaxed viewing experience during nighttime astronomy or daytime observation.

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