The fixed lens of the DH-IPC-HDW3666EMP-S-AUS adds an element of simplicity and precision to surveillance. With a fixed lens, users can achieve a specific field of view without the complexity of adjusting focal lengths. This makes installation and setup straightforward, ensuring that users can quickly deploy the camera for optimal performance. https://alarmexpert.com.au/products/dahua-dh-ipc-hdw3666emp-s-aus-6mp-wizsense-fixed-starlight-turret