0.5 inch Optical Post Holder Selection Guide
Newport offers a wide variety of 0.5 in. optical post holders from the most compact SPH Series Slim Optical Post Holders to the highest precision VPT Series Translating optical post holders. Compatible with Newport’s 0.5 inch optical posts, these optical post holders provide easy height adjustment of mounted components.
| Series | Features | Height (in.) | Material | Mounting | Relative Cost |
|---|---|---|---|---|---|
 VPH Series No-Slip Optical Post Holders |
Simplicity and ease of use make VPH the most extensively used post holder in our lineup. A spring-loaded clamp foot is always in contact with post to prevent slipping. |
1.0 2.0 3.0 4.0 6.0 |
Aluminum and Delrin® | 1/4-20 (M6) Thread or with pedestal base | $$ |
 BPH Series Multifunction Slotted-Base Post Holders |
Its built-in features make BPH the best equipped post holder for a wide variety of applications. Cast-in slotted base and V-grooves which key post rotation. Also available with magnetic base. |
1.0 2.0 3.0 4.0 |
Cast Aluminum | 1/4-20 (M6) Slot | $$ |
 New Focus Cam-Lock Optical Post Holders |
Use the Cam-Lock™ post holder when the best stability is needed. The Cam-Lock™ clamp holds with 4X more clamping force than standard screw clamp making it our most stable post holder. |
2.0 3.0 4.0 |
Aluminum | 1/4-20 (M6) Thread | $$$ |
 VPT Series Translating Optical Post Holders |
Use the VPT post holders when manual height adjustment is not accurate enough. A 32-TPI collar provides over 7 mm of precise lockable vertical translation with 2-μm sensitivity. |
2.0 3.0 4.0 |
Aluminum | 1/4-20 or M6 or with Pedestal base | $$$ |
 Magnetic Base Swivel Clamp Optical Post Holders |
Swivel Clamp optical post holders provide a continuously adjustable height to standard optical rods with the addition of a spring-loaded, break-shoe design to prevent slipping while making adjustments. The swivel base clamp and magnetic base make alignment quick and easy. |
1.0 1.5 2.0 3.0 4.0 6.0 |
Aluminum | 1/4-20 (M6) Slot | $$$ |