OpticsFocal Length 12mmF/# 1.0Wavelength 8~12μmAverage Transmission ≥87%Detector 384*288 25μmBack Focal Length 12.8mmField of View 43.6°×33.4°MechanicalFocus Mechanism Fixed adjustableFocus Range 2m~∞Weight 92gDimensions φ38×......


 4" Diameter UV Fused Silica AR -Coated Optical Protective Window
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