Fortune Optronics,Inc.
optical lens, optical mirror, optical prism, cylindrical lens, laser mirror, Manufacturer and Supplier - China(CN)
Conversion Lens (fortune010)
wide-angle lens--A lens whose effective focal length (EFL) is considerably shorter than the diagonal dimension of the image it forms.
For more information about our company and our products please visit our website: http://www.fortuneoptical.com