What Is a Telescope Diagonal?

Digital Telescope (Instant Replay) is a high-performance digital imaging telescope. It has been rated as one of the "100 scientific and technological innovations" by mainstream technology media. It has a simple structure and clear imaging, and can achieve ultra-telephoto effect with a small body length. With the addition of advanced digital functions, the telescope's Application fields can be widely used in reconnaissance, bird watching, electricity, wildlife protection, etc.