This is formation 684x385mm convex lenslet(array type) development and mold (hot press / hot press mold) for hot press, and its material is PMMA.
I am sorry that I cannot open specification and precise photos because of convention with the company.
It is called intergral image or photonics, and its purpose is 3D hologram. Total 102 240 pieces F = 8mm lens is tightly arranged.
Total 4,641 F = 8mm lens is tightly arranged.
Please concact us aobut develoiping and producing Fresnel lens, Conevex lens, Conevex lenslet(array type) Question for Fresnel lens
Myung Joong KIM