square fresnel lens .mp4
5 year ago
infinite number of lines (i.e., the Fresnel zone) to achieve the same optical effect, while saving the amount of material
For these lines, the overall thickness of the lens is reduced; ordinary Fresnel convex lens is actually a continuous curved
surface is truncated to a section of a discontinuous change of the curvature as the surface is finely divided, so look like a
circle around the lines. Fresnel lenses may in fact be regarded as a series of prisms are arranged in a ring, wherein the
relatively sharp edge, and the center of the convex surface is relatively smooth.
Realpoo Optics is a professional manufacturer of optical glass lenses, such as Spherical Lens, Glass Rod, Fresnel Lens, Diffraction Grating etc. The optics can be offered with coating or without coating. Welcome to send your inquiry.
Similar Video Recommendation
You May Also Like
If you are interested in the product, contact Bossgoovideo.com for more information
- *To:
- Changchun Realpoo Photoelectric Co., Ltd.
- *Message:
-
Submit
Main Product:
Convex Lens ,
Prism,
Cylindrical Lens,
Laser module,
Concave Lens,
Collimator Lens
You May Also Like