Astromania 1.25" 90-Degree Diagonal Mirror - Comfortable Viewing, Filter Thread, SKU_AM_DM1D90

★★★★★ 4.4 21 reviews

US$11.56
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US$11.56
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 241527702 Release Date 2026/07/18 List Price US$11.56 Model Number 241527702
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The Astromania 1.25" 90-Degree Diagonal Mirror is an essential accessory for telescope enthusiasts seeking a more comfortable viewing experience. Designed for telescopes with a 1.25" connector, this star diagonal enhances your ability to observe celestial bodies such as the Moon and Jupiter from a more convenient angle.

This star diagonal features a robust metal barrel with a chrome finish that not only adds aesthetic appeal but also ensures a secure connection to your telescope's focuser. The clamping screws firmly lock the barrel in place, preventing any scoring of the nosepiece, a common issue with less expensive alternatives. With optimized mirror performance, this accessory guarantees bright images even at higher magnifications, ensuring that your observations are clear and enjoyable.

Key Features:
  • 1.25" 90-degree mirror star diagonal compatible with any telescope that has a 1.25" connector (not suitable for Newtonians).
  • Comfortable viewing orientation allows for easy observation from above, reducing neck strain during extended sessions.
  • Integrated filter thread accommodates standard 1.25" filters, allowing flexibility without the need to reinstall between eyepieces.
  • Protective coating on the mirror enhances longevity and image quality, ensuring a bright and clear view.
  • Durable metal barrel construction provides secure seating in the focuser, enhancing stability during use.
  • Ideal for refractor and Cassegrain telescopes; not recommended for reflector models.
  • Wide 90-degree angle allows for comfortable viewing while maintaining a correct image orientation.

The Astromania 1.25" 90-Degree Diagonal Mirror is perfect for amateur astronomers and seasoned observers alike. Its thoughtful design and high-quality materials make it an excellent investment for anyone looking to enhance their stargazing experience. Whether observing the intricate details of the Moon or the stunning colors of distant nebulae, this star diagonal will provide the comfort and clarity needed for an enjoyable viewing session.


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