Product Review

Placing methods of interchangeable lens barrel inside plastic shell:
1.The storage box can store 16 lens barrels. Lens barrel magnifications are marked at thebottom of the grooves of storage box lens barrels. Lens barrels can be palced into corresponding positions according to the magnifications on lens barrels.
2.The side edge of each lens barrel has a small protruding square block. The lens barrel groove edges of storage box have key slots respectively. Lens barrels can be put inside only when their protruding keys match with the key slots inside storage box.

Feature:
1.2 left/right magnified eye patches with LEDs on the lens mount. You can use two barrels interchangeablyM to eliminate visual fatigue and improve your work.
2. The eye patch can be moved 5mm to the left and 5mm to the right. The width and distance of the face between the left/right eyeballs can be adjusted to accommodate the center position of the eye patch between the eyes.
3. The eye patch can be rotated 180 degrees up and down on the stand. When the magnifying glass is temporarily not in use, you do not need to remove the entire lens holder, you can easily use it.
4.It is very convenient to replace the battery. Press and hold the switch battery cover to rotate counterclockwise about 30 degrees, the switch cover will automatically pop up, replace the three new LR1130 batteries, the battery negative pole facing in.

Note:
1. You can use the left and right eyes alternately, but don't use both eyes with a magnifying glass at the same time.
2. The lens has different focal lengths, depending on the magnification of the product.
2.5x: 259mm     4x: 125mm   6x: 90mm    8x: 69mm
10x: 46mm       15x: 37mm    20x: 25mm  25x: 21mm