Product Comparison
Technical Parameters
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Focal Length509mm75mm19mm
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F/#2.01.01.21.0
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Wavelength3.7-4.8µm8-12μm8-12μm8-12μm
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Focus MechanismManualFixed AthermalizedManualFixed Athermalized
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InterfaceFlangeThreadThread
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Weight89.1g<100g<320g32g
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External CoatingARDLC/ARDLCDLC/AR
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Operating Temperature-40°C to +60°C-30°C to +70°C-40°C to +80°C
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Storage Temperature-60°C to +110°C-35°C to +75°C-60°C to +80°C
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Front Element SealingIP67IP67IP67IP67
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Focus Range5m-Infinity