The iPhone 12 Pro features a LiDAR sensor that can help improve the accuracy of AR experiences and apps. In general, the LiDAR sensor is quite accurate, but there are some factors that can affect its accuracy. For example, the sensor can be more accurate in well-lit environments than in low-light conditions. Additionally,objects that are far away from the sensor may not be as accurately represented as those that are closer.
Overall, the iPhone 12 Pro's LiDAR sensor is a useful tool for AR experiences and apps, but its accuracy can be affected by various factors.