Description
The Myzox PG-2500GP 2.5-inch prism with target, 5/8 thread is a survey prism made by Myzox (part number C.R. Kennedy MYX217938).
Its absolute prism constant is -30.0 mm, which is +4.4 mm on the Leica scale.
Specifications
| Model: | PG-2500GP |
| Manufacturer: | Myzox |
| MPN: | C.R. Kennedy MYX217938 |
| Absolute constant: | -30.00 mm |
| Leica constant: | +4.40 mm |
| Constant source: | Dealer listing |
| Prism diameter: | 63.5 mm |
| Mount: | 5/8" Thread |
| Coating: | Aluminium coated, fog-proof, sealed |
| 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
Myzox PG-2500GP 2.5-inch prism with target, 5/8 thread FAQ
Below is a list of frequently asked questions about Myzox PG-2500GP 2.5-inch prism with target, 5/8 thread.
What is the prism constant for the Myzox PG-2500GP 2.5-inch prism with target, 5/8 thread?
The absolute prism constant for the Myzox PG-2500GP 2.5-inch prism with target, 5/8 thread is -30.0mm. The Leica constant is 4.4mm.
Can I use the Myzox PG-2500GP 2.5-inch prism with target, 5/8 thread with a Leica instrument?
Yes, just set the prism constant to 4.4mm.
