Product Description: Versatile 1.25" Erect Image Diagonal Mirror for Daytime Terrestrial Viewing Corrects Image Orientation: This diagonal mirror is designed to correct upside-down and left-right reversed images, allowing you to view terrestrial objects in their correct orientation during the daytime. This feature is particularly useful for birdwatching, landscape observation, and other terrestrial activities. Compatible with 1.25-inch Eyepieces: Designed to fit 1.25-inch telescope eyepieces and focusers, this diagonal mirror is compatible with both refractor and catadioptric telescopes. Its universal fit ensures it can easily integrate with your existing telescope setup. Comfortable 45-Degree Viewing Angle: The diagonal features a wide 45-degree angle, allowing you to comfortably view images from a refractor telescope stand. This design helps reduce neck strain by enabling you to look down at a comfortable angle while observing. Clear and Sharp Optics: Constructed with a durable plastic body and high-quality optical glass lens, this diagonal mirror provides clear and sharp images. Its optical clarity ensures you capture every detail of your observations with precision. Easy Installation with Dust Cover: The diagonal comes with a dust cover to protect the lens and keep it clean, ensuring optimal performance. Its straightforward installation process makes it easy to attach and use, allowing you to focus on enjoying your observations. Enhance your daytime terrestrial observations with this versatile 1.25" erect image diagonal mirror. Its ability to correct image orientation, combined with its compatibility and optical clarity, makes it an essential accessory for any telescope enthusiast. Whether you're exploring landscapes or observing wildlife, this diagonal mirror offers the clarity and convenience needed for an exceptional viewing experience.