Aperture area meter: F number tester SMD-100T2
SMD-100T2
Measuring the aperture diameter areas of various camera lenses. The SENS sensitivity that can be calibrated and registered supports measurements for 4 series zoom lenses and more. Custom specifications are available for order.
This device measures the aperture diameter area of cameras and interchangeable lenses. - Aperture diameter at the time of synchronizing contacts - Maximum aperture diameter at the time of shutter release - Open aperture diameter - Aperture diameter at the start timing of aperture operation synchronization It displays the amount of aperture error (●EV) compared to the reference diameter as measurement results. The SENS sensitivity, which can be calibrated and registered using a standard lens or reference camera, has four series and supports measurements for zoom lenses and others. The measurement unit can be installed both vertically and horizontally (the angle position of the display unit can be adjusted). It allows posture difference measurements with two types of optical axes depending on the installation method. Equipped with a communication interface (RS-232C). It enables external output of measurement data and external control of the tester.
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basic information
Measurement Items: 1. Aperture of lens-shutter cameras 2. Aperture of focal-plane shutter cameras 3. Lens aperture of interchangeable lenses (requires the use of a jig) 4. Aperture diameter when synchronizing contact of lens-shutter cameras or during strobe flash 5. Aperture setting time from EXIT signal Display: Displays aperture error against the reference value Displayed Value: -2.02 to +2.02 (EV) Measurement Range: F-stop: selectable in doubling series from 1.4 to 32 Lens Diameter: Φ100mm Measurement Accuracy: Within ±3% External Communication: Compliant with RS232C Power Supply: AC100±10%, 50/60Hz Dimensions and Weight: 470(W)×950(H)×380(D)mm, 12.5kg
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Delivery Time
※The delivery date may vary depending on the situation, so please feel free to contact us.
Applications/Examples of results
We have been using aperture measurement compatible with single-lens reflex cameras for various applications by various camera-related 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.
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