Bindpo 1.25Inch 90 Degree Diagonal Mirror, DIY Homemade Astronomical Telescope Accessories, Optical Lens Steering Zenith Refraction Adapter for

1.25 INCH 90 DEGREE ANGLE: A 1.25 inch 90-degree Angle mirror ensures that the image is upright but upside down. wide field of view with increased sharpness and long eye relief. High brightness observation is very comfortable, you will obtain more details that you have never seen before DURABLE AND STABLE: Durable, this diagonal mirror is made of high quality optical glass. Wide 90 degree angle allows you to view correct image from refractor telescope stand and just look down with a comfortable angle WITH DUST COVER: With dust cover, keep lens clean for clear viewing and long time use. 4 screws fix the base, for easy removal and cleaning. Help astronomy enthusiasts better perform astronomical observations FOR ASTRONOMICAL TELESCOPE: The diagonal mirror is suitable for celestial observation and for terrestrial observation. Observe more closely the clusters of stars, the moon, the sky, the planets or other other objects NOTICE: Our products will be shipped after strict quality inspection. Due to long-distance transportation and distribution, various unpredictable situations can occur. If it is damaged or unusable, please contact us