APEXEL APL-F002 Dual Monocular Bird Watching Camera Universal Eyepiece Connector Phone Accessories 1. Material: PA+GF 2. Eyepiece clamping force: 3kg 3. Width of clamping mobile phone: 66-95mm 4. Depth of phone holder: 14mm 5. Function: connect smartphone with telescope, astronomical scope, microscope, bird-watching scope 6. Mounting eyepiece diameter: 23-50mm 7. Packing list: connector + eyepiece spacer + manual + tension clip spacer + color box 8. Size: 119x67x44.5mm 9. Weight: 102g 10. Note: the product contains connectors only, nothing other Features: 1. Fully compatible, universal adaptation 2. 3 seconds to install, precise focus 3. One-piece structure, prevent loosening 4. Small and portable, mechanical appearance 5. Built-in rubber pad, key protection 6. Ergonomics, improved grip 7. Double-sided integrated structure, spring press misalignment buckle design, easy to install quickly and adapt to different sizes of eyepiece ends 8. Multi-scene application, used for mobile phone to connect to telescope, microscope, bird-watching scope, astronomical scope, etc. for observation, SEHY, horizontal and vertical shooting, free to switch 9. It can be held with one hand, and the curved design on both sides makes it easy to press, easy to use and labor-saving 10. Wide range of applications, precise focus 11. Elastic stretching, quick installation and clamping, support singledualmulti-camera, multi-lens please align with the main lens 12. ABS environmental protection material, lightweight and wear-resistant, long life 13. Eyepiece hole, anti-light leakage design 14. 15mm card slot depth, anti-loosening 15. Clamping strips on both sides, anti-slip, more stable clamping 16. Rounded corners, comfortable touch, not hurting hands 17. Key protection design, the inside of the groove is inlaid with a ladder-type silicone strip, which is non-slip and scratch-resistant, and it is firmly clamped to avoid pressing the power button and volume button 18. Protective pad at the lens to protect