1. Pay attention to the installation of optical lenses before cleaning hands, wash hands with soap or detergent, and wear white light and clean gloves, this is a good habit of normal operation of the cutting machine lens. Do not use the bare hand film directly to prevent finger prints from remaining on the lens and affecting the accuracy.

2. When assembling the lens, take the lens should be as careful as possible, do not blow on the lens with breath, the lens should be placed smoothly on the clean table to avoid slipping and breaking, the lens is placed at the same time pay attention to check the desktop without debris, so as to avoid confusion or affect the operating environment of the lens. The lens seat should be clean, clean the dust and dirt in the lens seat with a clean air spray gun, and then take out the lens and gently put it in the lens seat.

3. In the cleaning and maintenance of the lens, the professional wiping paper is gently pulled from the side to the other side to avoid scratching the surface of the lens. Do not use hot air to blow up the lens, so as not to damage the lens due to sudden changes in heat. The lens is of high precision, and the temperature and humidity are strictly controlled so as not to affect the lens surface protective film and optical accuracy.