| XSP-3A1 | XSP-3A2 | XSP-3A3 | ||
| 观察头 | 单目直筒 | ● | ● | |
| 单目45度倾斜，360度旋转 | ● | |||
| 目镜 | WF10X | ● | ● | ● |
| 物镜 | 4X 10X 40Xs | ● | ● | ● |
| 转换器 | 三孔转换器 | ● | ● | ● |
| 聚光镜 | 拨盘光阑 | ● | ● | ● |
| 调焦系统 | 粗调范围20mm | ● | ● | ● |
| 微调范围1.4mm~1.6mm | ● | ● | ||
| 载物台 | 简易平台带切片压片 100x90mm | ● | ● | ● |
| 照明 | Φ40mm平凹反光镜 | ● | ● | ● |
| 110V/20W 220V/20W白炽灯 | ○ | ○ | ○ | |
| 产品单机尺寸 | 17x10.8x29cm | ● | ● | |
| 17x10.8x28cm | ● | |||
注：●为标准配置 ○为选购配置
