Precision Polarizer Mount 精密偏光鏡座

Standard sized polarizers are held perpendicular to its optical axis. The inner mounting cylinder
is free to rotate to any arbitrary angle. Accuracy is measurable down to 0.5 degree.
* Models accommodate either 1 inch (25.4mm) or 2 inch (50.8mm) polarizers.
* Arm provides smooth manual control through 360°.
* Outer ring is calibrated in 5° increments.
* May be read to 0.5° with vernier.
 

標準大小的偏光板垂直於它的光學軸。
支架內部圓柱可旋轉至任意角度。
測量可精確至0.5度。
* 可使用直徑1 inch (25.4mm) 或 2 inch (50.8mm)的偏光鏡
* 可360度旋轉
* 外環每5度有一標記
* 游標可讀取至0.5度