Multifunctional Real-Scene Test Light Box
The MLB real-scene lightbox family supports subjective image/video assessment with standardized,colorful,textured props for realistic comparisons beyond conventional charts. Features vary by model:continuous CCT/illuminance control,infrared sources and moving turntables. Applications include HDR,motion blur and white balance. MLB-L has top lighting continuously adjustable over2300K-10000K and850nm/940nm infrared sources that mix with visible light. MLB-LT has two independent left/right regions with matching sources for same/different CCT/illuminance comparisons over2300K-10000K,including HDR. MLB-LTM adds two turntables that move left/right and rotate360° for motion artifacts and photo/video blur. LT/LTM touchscreens independently control both sources; Windows GUI/API permit programmed control. Subjective tests cover resolution,texture loss,sharpening,low contrast,lighting detail,shadow detail,moire,distortion,skin tones,color reproduction,known natural colors and low-contrast detail. Props:24-color,eight-trigram and dead-leaves charts; photo frame/four-person headshot chart; pen holder,steel/black-steel rulers; crayons,colored pens,binder clips,round tacks and magnetic buttons; tweezers/hammer,RGB yarn and hemp rope; small license plate,wood blocks,roses/sunflowers; sponge/paintbrush; cola,wine bottle,artificial grass; teddy figure/greaseproof paper; black velvet,blue-white checked cloth,gray tablecloth; plate,knife/fork/spoon,chocolate box; randomly gifted artificial fruit/bamboo basket; scenery background for MLB-L only.
Overview
Specifications
| Parameter | Value |
|---|---|
| Main external dimensions [MLB-L] | 1420 mm × 734 mm × 1141 mm |
| Lighten face to desktop distance [MLB-L] | 900 mm |
| Background card dimensions [MLB-L] | 1251 mm × 893 mm |
| Voltage Input [MLB-L] | 220 V |
| Control Method [MLB-L] | API interface |
| Lighten-face size [MLB-L] | 1200 mm × 600 mm |
| Visible light temperature [5%;MLB-L] | 2300K-10000K(5%) |
| Near infrared wavelength [MLB-L] | 850nm/940nm |
| Visible light range [Bottom of the lampbox; MLB-L] | 1-8000lx (bottom of light box) |
| Near-infrared radiation range [Bottom of the lampbox; MLB-L] | 350uw/cm² (at the bottom of the lightbox) |
| Color Rendering Index [MLB-L] | Between 91 and 97 |
| Main external dimensions [MLB-LT] | 1420 mm × 734 mm × 1005 mm |
| Lighten face to desktop distance [MLB-LT] | 820 mm |
| Voltage Input [MLB-LT] | 220 V |
| Control Method [MLB-LT] | Touch screen control, GUI interface control, API code control |
| Lighten-face size [single side;MLB-LT] | 600 × 600 mm (one side) |
| Visible light temperature [±5%;MLB-LT] | 2300K-10000K(±5%) |
| Visible light reconciliation level [MLB-LT] | 0~9999 numeric reconciliation |
| Visible light range [Bottom of lightbox; MLB-LT] | 1~8000lux (at the bottom of the light box) |
| Color Rendering Index [MLB-LT] | Between 91 and 97 |
| Main external dimensions [MLB-LTM] | 2366 mm × 1015 mm × 1810 mm |
| Lighten face to desktop distance [MLB-LTM] | 900 mm |
| Voltage Input [MLB-LTM] | 220 V |
| Control Method [MLB-LTM] | Touch screen control, GUI interface control, API code control |
| Lighten-face size [single side;MLB-LTM] | 900 × 600 mm (one side) |
| Visible light temperature [±5%;MLB-LTM] | 2300K-10000K(±5%) |
| Visible light range [Bottom of lightbox; MLB-LTM] | 1-8000lx (bottom of light box) |
| Color Rendering Index [MLB-LTM] | Between 91 and 97 |
| Turn drive speed [MLB-LTM] | 360rmp |
| Speed of movement elements [MLB-LTM] | 3 m/s |
Key Features
Datasheet
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