YJ20x8.5B ITS-RE Remote Control Lenses Main Features: Fast Zoom Speed 2.0sec Internal focusing reduces lateral chromatic aberrations and improves corner performance Square hood reduces flares and ghosting. Light Weight 1.42 kg High Zoom Ratio 20x   Lens YJ20x8.5B ITS-RE Application 2/3" Remote Control Zoom Ratio 20x Built-in Extender - Range of Focal Length 8.5~170mm Maximum Relative Aperture 1:1.8 at 8.5~113.3mm 1:2.7 at 170mm Angular Field of View 4:3 Aspect Ratio (8.8 x 6.6mm) 54.7° x 42.4° at 8.5mm 3.0° x 2.2° at 170mm Minimum Object Distance (M.O.D.) 0.9m (10mm with Macro) Object Dimensions at M.O.D. 4:3 Aspect Ratio (8.8 x 6.6mm) 85.2cm x 63.9cm at 8.5mm 4.4cm x 3.3cm at 170mm Macro Yes Size (W x H x L) 146.0 x 105.3 x 195.4mm Mass (Approx.) 1.42kg

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