Remind :

Storage environment : Temperature 0~40℃ , Humidity 30%~95%.working environment is controlled at -40℃~+80℃

Don’t use any industrial solvent to clean lens surface , such as alcohol

Please use some soft paper or pure water to clean lens .use gloves when touch the lenses

This kind of lens can make the lighting more concentrated, and it’s made from transparent material ,so please lease do not open the packages until you use them, in case of the dust and other pollutions