- Engraved Scale for Accurate Post Height Adjustments
- Labeled Icrements Every 0.05" (1 mm)
- Ideal for Use with Lenses in Series
- 2" Long
This Ø1/2" TR post features an engraved scale along the side. This scale provides a means to quickly and accurately align optics to your optical axis. A removable 8-32 (M4) mounting stud at the top of the post is compatible with many components such as fixed optic mounts, while a 1/4"-20 (M6) tap is on the other end of the post for mounting larger components.