Blunith 5009S 50mm F0.9 Lens

Designed for compatibility with a broad range of thermal camera cores, this infrared lens provides a balanced solution between performance and cost for mid-to-long range applications.

Its manual focus mechanism enables clear imaging from 3 m to infinity. The optimized optical design ensures high image clarity and uniformity, making it suitable for surveillance and industrial monitoring. This lens supports high-resolution detector configurations.

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    Specs

    5009S  35mm F0.9
    PropertyValue
    Focal Length50mm
    F/#0.9
    External CoatingHD
    Working Band8-12 μm
    Transmittance≥ 90%
    Distortion<1%
    Relative Illuminance>98%
    MTF0F ≥ 0.30@42lp/mm
    0.8F ≥ 0.25@42lp/mm
    Focusing TypeManual
    Focusing Range3m – ∞
    Operation Temperature-40℃ to 80℃
    SealingIP67
    Lens MaterialIRG 206

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