First, the range of lens design service.
Use:measuring, projection, photography, laser,monitor, military.
Spectrum:narrow-band, optical achromatism, the visible recovery away, near-infrared purple apochromatism.
The range of focal length: all areas of the fixed and zoom lens.
Second, the range of lighting design service.
Use: street light,car light, photography light, camera light,flash light, signal light, landscape light and so on.
Light source t: LED, halogen light,HID,UHP, high-pressure sodium light, metal halide light and any other illuminant.
