Features:

1. Magnification: 2X, 2.5X and 3.0X

2. Small range of visual field

3. Clip on the glasses.

4. Adjustable PD range: 40-66mm

Models:

ZS-2.5X-340-C  Working distance: 340mm  DIA of visual field: ＞110mm   Magnification: 2.5X

ZS-3.0X-340-C  Working distance: 340mm  DIA of visual field: ＞110mm   Magnification: 3.0X

ZS-3.5X-340-C  Working distance: 340mm  DIA of visual field: ＞110mm   Magnification: 3.5X