Perfect, instantaneous focus is a challenge for PTZ cameras – especially in low light. AXIS Q6155-E PTZ Network Camera uses advanced laser technology to always give flawless focus – even in the dark. This camera is ideal for city surveillance, critical infrastructure and other applications where instant focus on moving objects and fast-changing scenes is needed. AXIS Q6155-E’s built-in laser makes it the fastest-focusing PTZ camera on the market. Under difficult circumstances, like scenes with low light, low contrast, or point-shaped light, AXIS Q6155-E really stands out. Its 100% safe laser beam measures the distance between the camera and an object in a fraction of a second, delivering perfectly focused images every time.