Xenon lamp diffused surface light source - Light source box
LSB-111XE4
Approximate natural daylight color. Any brightness can be specified. For evaluation of small power generation modules, etc.
This device is a diffused light source for the adjustment and inspection of various sensors, cameras, CCDs, and exposure meters. The brightness value can be set and displayed freely over a wide range via a numeric keypad input. By adopting a light quantity servo system with variable aperture, it maintains good brightness stability over long periods, and brightness management and changes are easily achievable. Brightness can be selected in an arbitrary selection method (LV4.0 to 16.0, with a 0.001 LV pitch), a pitch variable method that allows for adjustment at any pitch (0.1 LV to 1.0 LV), and a memory selection method that can store and recall 99 arbitrary brightness levels. External control via RS-232C and other interfaces is possible. We also handle custom orders for special specifications, so please consult us.
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basic information
Brightness: LV4.0 to 16.0 (121 points), (0.1 LV pitch) 2.5 cd/m² to 9000 cd/m² *Brightness can be entered at a pitch of 0.001 Brightness area: 140mm × 140mm Brightness uniformity: ±0.04 LV (±3%) or less [Effective Φ120mm] Color temperature: 5500K ±150 (can be changed with options) Communication I/F: RS-232C Light source lamp: 300W (Xenon short arc lamp) Dimensions & weight: [Light source unit] 360 (W) × 280 (H) × 540 (D) mm, approximately 19.0 kg [Power supply unit] 165 (W) × 230 (H) × 315 (D) mm, approximately 5.0 kg
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Applications/Examples of results
It is widely used by manufacturers of cameras, digital cameras, and CCD cameras. It is used as a backlight for inspection and calibration, such as white balance and shading correction, with a xenon light source close to sunlight white. We accept orders for custom specifications from various companies, so please consult with us.
Line up（2）
| Model number | overview |
|---|---|
| LSB-111/B2 | Switchable to B light source, brightness box |
| LSB-111WR/B2 | Brightness box capable of selecting a wide range of brightness |
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Company information
For more than half a century, Tsubosaka Electric has specialized in the development and manufacturing of precision inspection equipment for cameras, serving clients both in Japan and internationally. Our measuring instruments have played a vital role in enhancing camera quality since the days of film cameras, supporting camera manufacturers in their production and inspection processes. We offer a comprehensive lineup of inspection and measurement solutions, including: evaluation stable light sources (luminance boxes), shutter testers, electronic collimators, aperture area meters, lens testers, and strobe testers, etc. From hardware design to software development, our products are developed entirely in-house to ensure seamless integration and top-tier performance. Recognized for our manufacturing excellence, we are ISO 9001 certified and trusted by major camera manufacturers worldwide. Our expertise also extends beyond the camera industry, and we also can develop optical measuring instrument for advanced medical devices and autonomous driving where they use proprietary optical sensing technology. Additionally, our contrast testers used to measure the contrast values of resist inks in LCD color filters that are contributing to the advancement of high-definition and high-contrast TVs and monitors across the globe. At Tsubosaka Electric, we pride ourselves on flexibility and innovation. We offer a wide range of customizable measurement solutions and are happy to accommodate special orders tailored to your specific requirements. Please feel free to consult with us.