Simultaneous 2-channel counter for EV error (ΔEV) against the reference EV value.
- Inspect the appropriate exposure amount for the camera - Exposure time can also be measured simultaneously - Compatible with compact cameras - The light source part can be customized according to the lens front diameter and other factors
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basic information
This device measures the film surface exposure amount (EV) and aperture (FNo.) of an AE camera for each LV-ISO, displaying the EV as the error (ΔEV) against the reference exposure amount, the aperture as the error (ΔEV) against the FNo. and reference aperture, exposure time (msec), X contact time (msec), shutter rise time (msec), and additionally the aperture FM measurement (FNo.) during flash emission on a simultaneous 2-channel counter.
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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.
