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  • US customer visit Yunnan Yuanjin Optical Co., LTD
    US customers visit Yunnan Yuanjin Optical Co., LTD
    2024-11-15
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  • Arab customers visit Yunnan Yuanjin Optical Co., LTD
    Arab customers visit Yunnan Yuanjin Optical Co., LTD
    2024-11-13
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  • Development History of the PVS-14 Night Vision Devices
    The PVS-14 series is the most famous and widely used single-tube monocular low-light night vision device in the United States and globally. Its development history is a story of transformation from specialized military equipment to a versatile core module for multiple fields.
    2026-01-29
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  • The gain of a night vision device
    The gain of a night vision device refers to the amplification capability of the image intensifier on the input light signal, expressed as the ratio of output brightness to input brightness, in decibels (dB). A higher gain value means the night vision device has stronger observation capabilities in low-light environments.
    2026-01-08
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  • Low-Light Night Vision Devices
    Chinese-made and American-made low-light night vision devices have distinct characteristics in terms of technological approaches, performance features, and application scenarios, reflecting the different military strategies and industrial foundations of both countries.
    2025-12-25
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