Place of Origin | Guangdong, China | Brand Name | HAYEAR |
Model Number | HY- 300XA | Material | Metal |
Usage | Optical | Structure | Double Concave |
Shape | Cylindrical | Magnification Ratio | 10X-300X |
Working distance | 100mm | eyepiece | 1X |
Zoom ratio | 6.5:1 | objective | 0.7X-4.5X |