Feature： 1. 4 screws fix the base, for easy removal and cleaning. 2. A 1.25 inch 90-degree Angle mirror ensures that the image is upright but upside down. 3. The diagonal mirror is suitable for celestial observation and for terrestrial observation. 4. With dust cover, keep lens clean for clear viewing and long time use. 5. Durable, this product is made of high quality ABS and optical glass. Specification： Condition： 100percent Brand New Item Type： Erect Image Lens Material： ABS+Optical Glass Interface size： 1.25 inches (31.7mm) Viewing Angle： 90 degrees Weight： approx. 79g Package List： 1 x Erect Image Lens
