It can be seen that the sample used lens cover and cleaned with ultrasonic (sample A & C) will have a surface area of sample sample lens lens better, especially C.
It is seen that the sample lens cover. And to wash with. ultrasonic (sample A & C) has a surface area of the sample lens than a particular sample lens C.
It can be seen that the sample lens used cover and be cleaned with ultrasonic (sample A & C) is the surface area of the sample lens. Better, especially sample lens C.