achromatic objective [光] 消色差物镜

flat-field achromatic objective lens 平场消色差物镜

Plan Achromatic objective 平场消色差物镜

Ach Achromatic objective 消色差透镜

field achromatic objective lens 平场消色差物镜

non-achromatic objective 非消色差透镜

flat-field d achromatic objective lens 平场消色差物镜

achromatic micro objective 消色差显微物镜