How to shoot the effect of night traffic?

Fix your camera on the tripod first, then choose the manual gear (that is, the M gear), and you set the ISO to the lowest, so the sensitivity is low and the image quality is less noisy! At the same time, you have to shoot the traffic, and the exposure time is long at night, just enough to shoot the lights into lines. After setting the ISO, you set the shutter, which is usually about 4~6 seconds, depending on the brightness of the light when you shoot. You can see the effect on the screen and feel that the brightness of the photo is right! If the exposure time is short and the photos are bright, you can't get the light effect of the traffic flow. At this time, you can narrow the aperture, so you can slow down the exposure time to get the desired effect! Take a few more pictures and you will have experience. Photography needs more practice!