A. This monocular telescope is specially designed for outdoor enthusiasts and has many practical functions. It features a mini and portable design, making it easy to carry. Whether you're climbing mountains, hiking, going on an outing, or engaging in outdoor activities such as bird watching, you can easily put it in your pocket and take it out for use at any time. B. It has an instrument magnification of 8x, allowing you to clearly capture distant details as if bringing the far - away scenery right in front of you. The field of view is 96 meters at 1000 meters, offering a wide view to ensure you don't miss any exciting moments. C. In terms of optical performance, it adopts a high - definition and high - magnification optical design, with good imaging resolution to present clear and sharp images. Both the exit pupil distance and exit pupil diameter are 10, providing users with a comfortable viewing experience. D. It has a common telescope structure and is simple and convenient to use. Even those who are using a telescope for the first time can quickly get the hang of it. With such excellent design and practical functions, this telescope is undoubtedly a good helper for your outdoor activities.