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Technical information Focal Length (mm) = 15 Size (mm) : ?28 Groove Pitch (mm) :0.4 Thickness (mm) : 2 Material : PMMA Type : LED LED type Fresnel lens such as magnifiers, lighting equipment, 3D display is being used in a variety of areas. Groove(Prism) on the opposite side condensing (A flat surface condensing) Also we design to use more 3mm Optical PMMA for loner life time and to have 0.5 ~ 1.0mm groove pitch for higher solar concentration.
Technical information Focal Length (mm) = 26.5 Size (mm) : ?44.8 Groove Pitch (mm) :0.2 Thickness (mm) : 1.2 Material : PMMA Type : LED LED type Fresnel lens such as magnifiers, lighting equipment, 3D display is being used in a variety of areas. Groove(Prism) on the opposite side condensing (A flat surface condensing) Also we design to use more 3mm Optical PMMA for loner life time and to have 0.5 ~ 1.0mm groove pitch for higher solar concentration.
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