A common question relating to blurry images relates to vandalproof domes – night time images can appear blurry or foggy due to dirty/greasy dome bubble, reflection from nearby objects or loose foam ring around the camera lens.
Hikvision has produced the following document to help troubleshoot and solve these issues.



















Dahua 6 x 6MP DH-IPC-HDW3666EMP-S-AUS SMD 4.0 AI Turret Kit 50m IR 2.8mm with SMD + 8CH NVR