Camera Parameters — Minimum Illumination 【Sony FCB-EW9500H】
Source:Shenzhen Kai Mo Rui Electronic Technology Co. LTD2026-09-17
In the pursuit of ultimate image quality and outstanding performance, the Sony FCB-EW9500H module stands out among numerous high-definition cameras with its excellent low-light performance, making it the preferred choice for a wide range of application scenarios. This article delves into the definition of minimum illumination, key factors affecting minimum illumination, and the outstanding performance of the Sony FCB-EW9500H in various low-light environments.
Definition of Minimum Illumination
As an importa
nt indicator to measure the photosensitivity of a camera, minimum illumination represents the darkest environment in which the camera can capture clear and usable images. Simply put, it determines the camera’s working capability under low-light conditions. Since there is no unified international standard, major CCD manufacturers usually label the minimum illumination values based on their own test methods. Regardless, low-light performance remains one of the key indicators for evaluating camera quality.
Factors Affecting Minimum Illumination
There are many factors affecting a camera’s minimum illumination value, mainly including the lens light throughput parameter, light source color temperature parameter, video level amplitude IRE level, and camera function parameter settings.
- Lens light throughput parameter (F-number): The smaller the F-number, the larger the lens aperture and the higher the light throughput, allowing clearer images to be captured in low-light environments.
- Light source color temperature parameter: Light sources with different color temperatures produce different perceived effects on the camera. Generally speaking, a higher color temperature delivers better camera performance under low-light conditions.
- Video level amplitude IRE level: The IRE level is the standard for measuring camera signal strength. A higher IRE level means a stronger signal and superior camera performance in low-light scenarios.
- Camera function parameter settings: Functions such as Automatic Gain Control (AGC), Wide Dynamic Range (WDR), and Backlight Compensation (BLC) can significantly improve camera performance in low-light environments.
Sony FCB-EW9500H
The Sony FCB-EW9500H achieves a minimum illumination of 0.00008 lx. This figure indicates that the camera can capture clear and bright images even at night or in severely dimly lit environments. It is equipped with a 1/1.8” STARVIS CMOS high-resolution image sensor featuring high definition, high photosensitivity and high sensitivity. To better understand this feature, we can compare it with other similar products.

Application Scenarios
Thanks to its outstanding minimum illumination performance, the Sony FCB-EW9500H module is widely used in various low-light environments, especially in the security sector with stringent image quality requirements.
Security Industry: For locations with poor lighting at night, the minimum illumination capability of security surveillance cameras is particularly critical. With excellent low-light performance, the FCB-EW9500H module can capture clear images under extremely low light, effectively improving the accuracy and reliability of security monitoring. Whether for commercial blocks, residential communities or critical facilities, the FCB-EW9500H provides powerful support for security surveillance.

Summary
In conclusion, the Sony FCB-EW9500H module demonstrates remarkable strength across many application scenarios, boasting exceptional low-light performance, powerful zoom capability and stable performance output. Whether in security or other fields requiring superior image quality, the FCB-EW9500H delivers a clear and stable visual experience for users and ushers in a new era of vision technology.
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