The light source can be changed to near-infrared! Please consult us if you wish to customize!
The "LFM-1 Series" is a device that measures lens flare rate (veiling glare index) according to the measurement method specified in ISO 9358:1994. By changing the light source to an IR-LED, it is compatible with lenses that use near-infrared, such as security cameras, smartphones, and in-vehicle cameras. It is capable of measuring veiling glare and image plane illuminance ratio for near-infrared compatible lenses. 【Features】 ■ Measures lens flare rate (veiling glare index) ■ Light source can be changed to near-infrared ■ Can measure near-infrared compatible lenses *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications (Excerpt)】 ■Integrating Sphere: Φ1000 [mm] ■Lighting: Halogen lamp or IR-LED, CRI-LED ■White body luminance: Approximately 18,000 [cd/m²] (when using halogen lamp) ■Color temperature: Approximately 3040 [K] (when using halogen lamp) ■Measurement resolution (flare rate): 0.01 [%] ■Focal length of the tested lens: f=40 [mm] ~ ■Receiving part, light sensor: Φ0.2 [mm] ~ Φ3.0 [mm] (multiple available) ■Dimensions & weight: 1875(W) × 1450(H) × 1100(D) [mm], approximately 100 [kg] *For more details, please refer to the PDF document or feel free to contact us.
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※The delivery date may vary depending on the situation, so please feel free to contact us.
Applications/Examples of results
This is used for inspection and adjustment by various lens manufacturers and lens handling manufacturers.
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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.