物镜具有双远心和有温度气压控制补偿，在满足高精度成像的同时，又能同时满足暗场同轴对准的特点。
The bitelecentric lens, control and compensation of temperature and atmosphere pressure, high resolution imagery and dark field TTL alignment in the system are also described.
物镜具有双远心和有温度气压控制补偿，在满足高精度成像的同时，又能同时满足暗场同轴对准的特点。
The bitelecentric lens, control and compensation of temperature and atmosphere pressure, high resolution imagery and dark field TTL alignment in the system are also described.
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