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Specific analysis of LED lighting optical system
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(1) Generally used in lighting systems with high angle requirements (>120 degrees) and uniform light distribution, such as desk lamps, street lamps, or some night scene projects.
(2) Generally used in systems with reflective cups or secondary lenses, the angle requirement is very small (<30 degrees) and the light requirement is relatively concentrated; It can also be used in some systems that only require side lighting or have special lighting angle requirements, such as miner's lamps, flashlights, and street lamps.
(3) Generally used in systems with reflective cups or secondary lenses, the angle requirement is small (30-60 degrees), such as projectors.
(4) Generally used in systems with an angle requirement of 60-100 degrees, without the need for secondary lenses, such as courtyard lights.
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