40*5.57*2.12mm H-K9L Rhomic prism Stereomicroscope KTP Crystals Products description: Rhomic prism could make the beam horizontal displacemnet, which ...
40*5.57*2.12mm H-K9L Rhomic prism Stereomicroscope KTP Crystals Products description: Rhomic prism could make the beam horizontal displacemnet, which ...