The LT05-F Focusing Tube allows axial translation of one group of lenses relative to another. The focusing tube is simply a lens tube with a longer external thread and a locking nut. Provided in 1/2 inch diameter, the focusing tube screws into the internal threads of a standard lens tube and is locked in place with the lock nut. The maximum focusing range is 0.39 inch. A lens retaining ring is also included with each focusing tube.

• 使用

  0.5 in. Lens Tubes

• 镜片直径

  12.7 mm

• 调节

  Z

• 类型

  Lens Positioner

• 螺纹类型

  0.535-40

• 长度

  26.7 mm

• 行程，Z

  0.39 in.

LT05-F聚焦管允许一组镜头相对于另一组镜头进行轴向平移。聚焦管是一种具有较长的外螺纹和锁紧螺母的透镜管。所述聚焦管直径为1/2英寸，将其旋进标准透镜管的内螺纹中，并与锁紧螺母锁紧。最大聚焦范围为0.39英寸。每个聚焦管还包括一个透镜保持环。