As a fixed type lens, comes with a 2.2X lens.
With tip-up lens on the inside, after overlaping with 2.2X lens it becomes 3.3X.
In addition, comes with a round attachment lens on the right side, becomes 4.1X after combining with the fixed type 2.2X lens, becomes 5.2X after combining with the fixed lens and tip-up lens (3.3X).
70 daughter use. I tried it because the glasses type loupe did not fit. My mother says that the good points are (1) it has abundant variations of magnification, (2) it is lightweight. I tried it a lot but this is the best thing. Thank you very much.
It is easy to see the detailed organization of the strip, and it is easy to straighten. Since the loupe is away from the eyes, you can see the surroundings when turning down while still attached. This was surprisingly convenient.