High-definition imaging: BAK4 prism telescope, the image is not distorted and not distorted, and the viewing is pleasing to the eye, and the phase is clear without dark edges.
Large-caliber super wide-angle: Generally, the larger the diameter of the telescope, the larger the field of view, the larger the light is, and the better the imaging brightness.
Central axis focusing: solid structure, stable and durable, comfortable grip and accurate focusing.