9
3. USING THE CONTROLS
Polarizer
检偏器
Polarizer clamping
Compensator
Vernier scale
平台支紧螺钉
Polarizing
调节旋钮
起偏器转环
勃氏镜转盘
Analyzer
Bertrand lens unit
Bertrand
lens
focusing plate
Compensator
clamping knob
Polarizer clamping knob
Polarizer rotation ring
Polarizing
ruler
adjustment knob
Stage
rotation
clamping knob