DS-4
2024-07-16 15:39
| 型号 Model | DS-4 | |
| 参数 Parameter | ||
| 每公里往返标准偏差 | 1.0mm | |
| Standard Deviation for 1km Double-run levelling | ||
| 望远镜呈像 | 正像 | |
| Telescope image | Erect | |
| 倍率 | 32X | |
| Magnification | ||
| 物镜口径 | 40mm | |
| Clear Objective Aperture | ||
| 视场角 | 1°20′ | |
| Filed of View | ||
| 最短视距 | 0.6m | |
| Shortest Focusing Distance | ||
| 视距乘常数 | 100 | |
| Stadia Multiplying Constant | ||
| 视距加常数 | 0 | |
| Stadia Additive Constant | ||
| 圆水准泡精度 | 8′/2mm | |
| Sensitivity of Circular Level | ||
| 度盘分度值 | 1° or 1gon | |
| Graduation Interval of Circle | ||
| 补偿器类型 | X型吊丝空气阻尼 | |
| Compensator type | X-shaped wire suspension air-damping | |
| 仪器工作范围 | ±15′ | |
| Working Range | ||
| 安平精度 | ±0.3″ | |
| Setting Accuracy | ||
| 与三脚架连接 | M16 or 5/8″ | |
| Connecting size to tripod | ||
