Specifications
| observation tube | Trinocular observation lens tube |
| Mechanical barrel length | Infinity system ∞ |
| pupil distance | 55mm-75mm |
| converter | Four hole converter |
| Swirling/spinning table | Diameter φ 150mm, moving range: 360ºaliquot scale, cursor Accuracy 6 ', adjustable center |
| Focusing range | 23Mm, coaxial common rail coarse fretting focusing, fretting grid value 0.002mm |
| condenser | 360 ° swirl/spin with polarizer, N. A = 1.25 Abbe condenser with variable light bar |
| central device | Plug-in polarizer for 360 ° swirl/spin with scale and fretting vernier; push-in Burt mirror, lambda, lambda/4 and quartz wedge compensator |
| lighting system | 6V30W halogen lamp, adjustable luminance |
Packing list
host X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/44912/Specification.html , which is only used by users who purchase commodities from the NBCHAO.