Mainly used for:
1. Industrial testing equipment: such as magnifying glass, microscope, projector (Sanfeng projector/Wanhao projector), optical aperture detector, surface roughness detector, etc;
2. Industrial production equipment: SMT machines, infrared welding machines, machine tool local lighting, machine display screens, etc
3. Display equipment: Magic lantern, film projector, microfilm reader, etc
4. Fiber optic equipment: endoscope, cold light source, color amplifier, etc
5. Medical equipment: (xenon filled rice bubble) microscope, endoscope (Nikon, LABOPHO), polarizing microscope, Slit lamp and other instruments