12.5-775mm 型号Model No. HT12775Y200-MP HT12775Y200-P 规格Image size (CCD type) 1/1.8" 焦距Focal length 12.5~775mm 光圈值Aperture (F) F4.2-C F4.2-360 后焦距值Back focal length 39.6mm 接口方式Camera mount C 操作方式Operation 光圈Iris 电动Motorized 直流驱动Direct Drive 聚焦Focus 电动Motorized 电动Motorized 变焦Zoom 电动Motorized 电动Motorized 视场角 Field of view (DXHXV) 1/1.8" 广角Wide 23.06o×18.45o×13.8o 长焦Tele 0.7o×0.56o×0.42o 较短物距Minimum object distance 4.5m 有效径 Effective diameter 前组Front Φ78 mm 后组Rear Φ18.56mm 前置滤光镜螺纹Filter screw size ---- 波长Coating 400~950nm 特性Feature ED、IR、2.0MP 外形尺寸Dimension (DXHXL) Φ113.4mm×130.6mm×313.6mm 工作温度Application temperature -10oC ~ +50oC(配全天候防护罩) 重量Total Weight 3100g 3250g