1. First, take off the lens with rotating the bottom piece in red circle. Please note not rotate the whole black part. But only rotate the bottom.
Please hold the lens by another hand when rotating. So that it will not fall on the ground.
Please take care of the lens to put it in package to avoid dust. And put the lens case on bottom.
Keep lens in your place and take care of it. And cover it with the case to avoid dust.
2. Second, take off the screws on laser head. There are three screws. Take off the black plug. Please take care to hold the laser head.
3. Take off the small square metal part. Not express it, please save it in your place with screws.
