NANSHI 1.25inch 45 Degree Diagonal Prism Compatible with Astronomical Observations 1.25inch 45 Degree Diagonal Prism Compatible with Astronomical Observations Reflecting Telescope  (Manual Tracking)

1 Multi Purpose: The 1.25inch diagonal prism supports connecting filters, and the interior is processed with extinction, which is suitable for astronomical and terrestrial observations. 2 45 Degree Angle: The 1.25inch diagonal prism is designed with a 45 degree angle, allowing you to view the correct image from the refracting telescope mount and look down at a comfortable angle. 3 Dust Cover: The 45 degree diagonal mirror prism comes with a dust cover to keep the lens clean at all times, extending its lifespan. 4 Ease of Use: The 45 degree diagonal mirror prism is easy to use, just plug into the 1.25in telescope on the silver end and screw the 1.25in eyepiece on the other end. 5 Premium Material: The 1.25inch 45 degree diagonal prism is made of plastic, optical glass lens, providing clear and acuminate images.Item Type: 1.25inch 45 Degree Diagonal Prism Round Angle Material: Plastic, Optical Glass Diameter: 1.25 Inches (About 31.7mm)