1. Calibration: The Telescope accessories PT5C Mirror provides exceptional equatorial instrument calibration, ensuring accurate alignment for all your astronomical observations. 2. Enhanced Alignment: Designed specifically for the for EQ3D mount, this accessory enhances alignment efficiency, allowing for smoother tracking of celestial objects. 3. Construction: Crafted with high-quality materials, the PT5C Mirror is built to withstand the rigors of outdoor use, ensuring long-lasting performance and reliability for telescope enthusiasts. 4. Easy Installation: The Telescope accessories PT5C Mirror features a user-friendly design that allows for quick and easy installation on your for EQ3D setup, so you can observing the night in no time. 5. Improved Viewing Experience: By utilizing the from the PT5C Mirror, users experience improved viewing stability and clarity, making it an essential addition to your telescope accessories collection. Colour:As Shown Material:Plastic + Metal Package Contents: 1 x Telescope accessories PT5C Mirror Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.