Fresnel lenses are used in many fields, including: Projection display: Fresnel projection TV, rear projection Fresnel screen, overhead projector, collimator; Concentrating light: Fresnel lens for ...
Xiaomi’s ecological chain company Fengmi Technology, on Tuesday, officially announced the Fengmi 4K Max Laser Projector, the brand’s latest laser TV which capable of displaying content in 4K. The ...
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