Other 12.7-mm Post and Post Holders
![Other 12.7-mm Post and Post Holders Other 12.7-mm Post and Post Holders](https://www.optosigma.com/media/catalog/category/BRS_W6043-1_p_1__3.jpg)
OptoSigma provides more 1/2-in. post holder options than just the basics. Here, there are modular post holders with removable bases which allow the user to remove the post-held item from the setup and then return it to the exact same location. Also included here are adjustable-height post holders which employ a helical thread similar to what is used on a zoom lens. It provides rapid but smooth vertical translation of the post