
Description
The Hilti POA 102 round reflector target is a flat reflector made by Hilti (part number 2310807).
Its absolute prism constant is +1.0 mm, which is +35.4 mm on the Leica scale.
Specifications
| Model: | POA 102 |
| Manufacturer: | Hilti |
| MPN: | 2310807 |
| Status: | Current |
| Absolute constant: | +1.00 mm |
| Leica constant: | +35.40 mm |
| Constant source: | Dealer listing |
| Range: | 100 (usable) |
| Mount: | POA 124 mount |
| Last verified: | 21/10/2026 |
Notes:
- The prism constant comes from a dealer listing and has not been confirmed in manufacturer documentation. Check the label on the prism before relying on it.
Sources
Hilti POA 102 round reflector target FAQ
Below is a list of frequently asked questions about Hilti POA 102 round reflector target.
What is the prism constant for the Hilti POA 102 round reflector target?
The absolute prism constant for the Hilti POA 102 round reflector target is 1.0mm. The Leica constant is 35.4mm.
Can I use the Hilti POA 102 round reflector target with a Leica instrument?
Yes, just set the prism constant to 35.4mm.



