- Enjoy comfortable viewing at a 90-degree angle: Observe celestial wonders and landscapes effortlessly from above through your eyepiece. This diagonal is compatible with any 1.25-inch filters and standard 1.25-inch eyepieces. - Simple installation: Easily insert the diagonal prism into the 1.25-inch focuser, allowing you to view images that are upright and correctly oriented. - Versatile for various observations: Ideal for stargazing and terrestrial viewing, this diagonal reflector enhances your experience by providing a more natural perspective. - Accurate image orientation: The 1.25-inch diagonal ensures images appear upright, though images will be reversed left to right, making it suitable for both astronomy and land observation. Use Scenarios: 1. Stargazing: Perfect for amateur astronomers looking to observe planets, stars, and the moon with clarity and comfort. 2. Birdwatching: Use this diagonal to maintain a comfortable posture while observing wildlife without straining your neck. 3. Terrestrial viewing: Ideal for spotting distant landscapes or details, providing a straightforward viewing experience. This product combines functionality, compatibility, and ease of use, making it an essential accessory for anyone serious about their observational pursuits.