Description
The AdirPro 220-Degree Wide Angle Prism is a survey reflector made by AdirPro (part number 720-21).
Its absolute prism constant is 0.0 mm, which is +34.4 mm on the Leica scale.
Specifications
| Model: | 720-21 |
| Manufacturer: | AdirPro |
| MPN: | 720-21 |
| Status: | Current |
| Absolute constant: | +0.00 mm |
| Leica constant: | +34.40 mm |
| Constant source: | Dealer listing |
| Equivalents: | Likely Myzox ZERO220 family (unconfirmed) |
| 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
AdirPro 220-Degree Wide Angle Prism FAQ
Below is a list of frequently asked questions about AdirPro 220-Degree Wide Angle Prism.
What is the prism constant for the AdirPro 220-Degree Wide Angle Prism?
The absolute prism constant for the AdirPro 220-Degree Wide Angle Prism is 0.0mm. The Leica constant is 34.4mm.
Can I use the AdirPro 220-Degree Wide Angle Prism with a Leica instrument?
Yes, just set the prism constant to 34.4mm.
