1Compatibility: Specifically designed for certain branded cameras with a focal range of 70 to 200 and an aperture of 2.8 IS II, this lens aperture flex cable is fully compatible and ensures stable operation with your camera. 2Secure Fit: With its accurate size and tight fit, this aperture cable seamlessly fits into the original position of the lens, ensuring a secure connection for your camera. 3Tested and Reliable: Each lens aperture flex cable undergoes thorough testing before leaving the factory, guaranteeing its quality and performance, so you can use it with confidence. 4Perfect Replacement: This lens aperture cable is an ideal replacement for damaged or broken original parts. Its precise design and reliable performance make it an excellent accessory. 5Professional Installation: To avoid any potential damage to your camera, it is highly recommended to have this lens aperture flex cable installed and removed by professional technicians.