Zoom camera objective 680425/680426 Series

motorized

Optical: Narrow FOV: Wide FOV Focal Length: 900mm: 45mm/72mm* F/#: 4.0 Average transmission (3.4-5.0μ): ≥ 70% for HCLR coating 680425 Based on Zoom Lens: 15-300mm f/4 680084 Cold stop to FPA Distance: 19.4mm Cold Stop CA: Ø4.85mm BFL: 25.1mm in air 680426 Based on Zoom Lens: 15-300mm f/4 680204 Cold stop to FPA Distance: 20.47mm Cold Stop CA: Ø5.1mm BFL: 27.12mm in air Distortion: <5% <7% Minimum Focus Range: 200m 5m Nuc: By defocus, blur diameter 3mm Mechanical Focus Mechanism: Motorized Focus Time (minimum range to ∞): ≤ 1 sec Zoom Mechanism: Motorized Zoom Time (NFOV to WFOV): ≤ 7 sec at -32°C; ≤ 5 sec at T ≥ 0°C