Description
The Hilti Prism POA 103 (glass target prism) is a mini prism made by Hilti (part number 2310808 (pack of 3)).
Its absolute prism constant is -17.0 mm, which is +17.4 mm on the Leica scale.
Specifications
| Model: | POA 103 |
| Manufacturer: | Hilti |
| MPN: | 2310808 (pack of 3) |
| Status: | Current |
| Absolute constant: | -17.00 mm |
| Leica constant: | +17.40 mm |
| Constant source: | Manufacturer documentation |
| Range: | 300 (stationing, PLT) |
| Mount: | POA 125 mount |
| Last verified: | 21/10/2026 |
Sources
Hilti Prism POA 103 (glass target prism) FAQ
Below is a list of frequently asked questions about Hilti Prism POA 103 (glass target prism).
What is the prism constant for the Hilti Prism POA 103 (glass target prism)?
The absolute prism constant for the Hilti Prism POA 103 (glass target prism) is -17.0mm. The Leica constant is 17.4mm.
Can I use the Hilti Prism POA 103 (glass target prism) with a Leica instrument?
Yes, just set the prism constant to 17.4mm.
