什么是硬光
硬光产生 直接聚焦光源.硬光有多种来源，如太阳光、连续光或闪光灯。硬光的显著特点是其强度和方向性，从而产生强烈而清晰的阴影。
也许您感兴趣的是
- Ceiling-mounted PIR occupancy sensor with dry-contact relay output
- 12/24VDC or 12/24VAC low-voltage supply
- COM, NO, and NC isolated relay contacts for EMS, HVAC, and building control inputs
- Low-voltage DC recessed ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 220V power
- 3A maximum working current with 660W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 110V power
- 3A maximum working current with 330W rated load
- LUX button controls light-sensor ON/OFF and user-set dimming brightness
- Low-voltage DC ceiling-mounted microwave motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- 10A max work current with adjustable time delay, Lux threshold, and sensitivity
- Higher-load ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Ceiling-mounted microwave motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity
- Low-voltage DC recessed ceiling mount PIR motion sensor switch
- 12 VDC / 24 VDC input with 10-30 VDC range
- Max work current 10A with adjustable time delay, Lux threshold, and sensitivity
- Higher-load recessed ceiling mount PIR motion sensor switch
- 100-265 VAC line-voltage input, 10A model
- 360-degree detection with adjustable time delay, Lux threshold, and sensitivity
- Recessed ceiling mount PIR motion sensor switch
- 100-265 VAC line-voltage input, 5A model
- 360-degree detection with adjustable time delay, Lux threshold, and sensitivity
- Wireless switch and receiver kit for indoor ON/OFF lighting control
- 100-230VAC, 50/60Hz receiver with 5A rated current
- CR2032-powered wireless switch with 2.4GHz communication
- 占用（自動開/自動關）
- 12–24V 直流（10–30VDC），最大 10A
- 360° 覆蓋範圍，直徑 8–12 米
- 延遲時間 15 秒–30 分鐘
- 光感測器關/15/25/35 Lux
- 高/低感度
- 自动开启/自动关闭占用模式
- 100–265V交流，10A（需要中性線）
- 360° 覆蓋範圍；8–12 米探測直徑
- 時間延遲 15 秒–30 分鐘；Lux OFF/15/25/35；感度 高/低
- 自动开启/自动关闭占用模式
- 100–265V AC，5A（需要中性線）
- 360° 覆蓋範圍；8–12 米探測直徑
- 時間延遲 15 秒–30 分鐘；Lux OFF/15/25/35；感度 高/低
- 100V-230VAC
- 傳輸距離：最多20米
- 無線運動感應器
- 有線控制
- 電壓：2x AAA 電池 / 5V DC (Micro USB)
- 日/夜模式
- 时间延迟：15分钟、30分钟、1小时（默认）、2小时
- 歐盟插頭電源轉接器
- 英國插頭電源轉接器
使用硬光时，产生的阴影边缘锐利，与照明区域明显分离。这就在图像中产生了高对比度和戏剧性的效果。硬光通常在摄影和电影拍摄中受到青睐，因为它能增加场景的深度和维度。
硬光源的例子包括晴朗天气的太阳、昼夜温差大的太阳。 直射光或无散射的灯泡。需要注意的是，硬光通常是指光线直射且无散射，没有任何局部物体或条件的柔化或散射。
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