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2. Perform zoom out (Zoom Out) in the opposite direction from the previous step and pull the lens back to Wide. At this time, the screen becomes a panoramic image containing the close-up objects described above, but no focus adjustment can be performed at this time (Note: If The image at this time is blurred and the focus cannot be adjusted, but the next focus adjustment is prepared.
3. Rotate the rear focus adjustment ring slightly, repeat the adjustment until the screen is clearest, and tighten the front standard lens fixing screw.
Road surveillance camera maintenance tips
1. Loosen the fixed screw of the standard lens on the front of the camera, push the lens to telephoto state by adjusting ZoomIn (ZoomIn), take a close-up of an object farther, and then adjust the focus (Focu juvenile close-up The image is clear.