The William Optics Dura Bright 2-inch Dielectric Diagonal with Carbon Fiber Plates features Ultra High Dielectric 99-percent reflectivity, precision 1/10 lambda surface with NEW 12 mm thick mirror for best quality and 2-inch to 1.25-inch adapter with brass clamping ring. Also includes (2 thumb screws) at 120-degree apart for safe secure locking.
If what you are looking for is the highest achievable brightness, contrast and sharpness during critical observations with high-end instruments, the William Optics Dura Bright diagonal is designed for high-end scope such as FLT-110 and FLT-132. A premium product at a discounted price. Check it out and see the difference between a budget diagonal and a real bargain!
OPT Product Number: WO-D-DIG2D-C-DB