vis de réglage du condenseur
/ˈmyʁ ɑ̃ betˈɔ̃/
n
English: condenser adjustment knob · 聚光镜调节钮
Sens：Screw that centers the condenser’s light beam in the field of vision by moving it along a horizontal plane.
English: condenser adjustment knob · 聚光镜调节钮