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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Focal Length : 220 mm
with step wise discontinuities between them
gold wire which ensure it long life without degrading quickly
Output Voltage: 26-36V (Power supply automatically set Voltage as per LED)
This LED is customized with latest high Lumin per Watt 45X45mil LED chip which are higher per each chip
Fresnel Lens for Shortest DIY Projector Focal Length 220mm India Focal Length : 220 mmThe Fresnel lens reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections. An ideal Fresnel lens would have infinitely many such sections. In each section, the overall thickness is decreased compared to an equivalent simple lens. This effectively divides the continuous surface of a standard lens into a set of surfaces of the same curvature, with step wise discontinuities
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