20x power magnifier, you can use it to see the laser printing words on the edge of diamond.
Magnification: | 20x |
Brand Name: | Hannia |
Place of Origin:Fujian, China (Mainland) Brand Name:Sheng Da Model Number:SDG-L20X Size:88*35mm Magnification:20X Lens material:metal and plastic, metal and plastic Lens diameter:21mm Main Color:Silver Jewelry Tools & Equipments Type:Loupes, Magnifiers Packing:Leather package ...
Come From fzcenter optoelectronics technology.,LTD
golden:optical silver:loupe jewels magnifier:instrument Magnification:10x@015x@020x Material:Glass Size:18mm Model Number:MG7055 Brand Name:HANNIA Place of Origin:China (Mainland) 10x, 15x, 20x magnifications, triplet lens 18mm, magnifier can be used in many fields. ...
Come From Factory of Optical Elements The institute of Optics & Electronics Chinese Academy of Sciences