With a high Figure of Merit (FOM) form 1.800 - 2.200 and a fast Auto-Gating, Photonis ECHO night vision tubes are high-quality image intensifier tubes designed for users seeking reliable night vision performance at a more accessible price point. They offer a balance between advanced features and cost-effectiveness, making them a popular choice for both civilian and professional applications, such as law enforcement, outdoor activities, and security operations.

These tubes provide good image clarity and brightness in low-light conditions, delivering a resolution that allows users to identify and distinguish objects in the dark. While they may not have the same level of performance as the higher-end 4G tubes, ECHO tubes still offer a high signal-to-noise ratio (SNR) and decent resolution, ensuring clear visibility in various low-light environments.

Photonis ECHO tubes feature a wide spectral sensitivity range, typically from 400 nm to 1000 nm, which enables them to detect visible and near-infrared light. This broad range enhances the tube's ability to function effectively in different lighting conditions, from twilight to complete darkness.

One of the key features of ECHO tubes is their durability and reliable performance in diverse environmental conditions. They are built to withstand the rigors of regular use, including exposure to moisture, dust, and temperature fluctuations.

Overall, Photonis ECHO night vision tubes are an excellent choice for users who need dependable night vision capabilities without the premium cost associated with the most advanced models. They are particularly well-suited for situations where good performance and affordability are both important considerations.