- High Compatibility: This universal mobile phone camera adapter is designed to fit smartphones with widths ranging from 54.6mm to 97.9mm. It is compatible with eyepieces that have an outer diameter of 26mm to 46.4mm, making it suitable for most binoculars, monoculars, telescopes, and microscopes. Ideal for astronomy, birdwatching, and microphotography enthusiasts. - Easy Alignment: Featuring a light hole for precise alignment with your smartphone camera, this adapter minimizes scattered light, enhancing image contrast. Capture clearer, more detailed photos effortlessly, making it an essential tool for both novice and professional photographers. - Practical Locking Button: The large diameter locking button simplifies the adjustment and securing of the eyepiece, ensuring a stable and reliable hold for your camera. This user-friendly design accelerates setup, allowing you to focus on capturing stunning images. - Built-in Soft Sponge: Equipped with soft sponge material, the adapter holds your smartphone securely in place without causing damage. This protective feature prevents scratches and ensures a stable, clear view through your lens. Use scenarios: 1. Capture breathtaking images of celestial bodies during stargazing outings with your telescope. 2. Document intricate details of nature while birdwatching, effortlessly attaching your phone to binoculars. 3. Explore the microscopic world by connecting your smartphone to a microscope for stunning close-up photography.