Description
The Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm is a monitoring prism made by Myzox (part number 218460 (C.R. Kennedy 882184607)).
Its absolute prism constant is -27.0 mm, which is +7.4 mm on the Leica scale.
Specifications
| Model: | TT-27 |
| Manufacturer: | Myzox |
| MPN: | 218460 (C.R. Kennedy 882184607) |
| Status: | Current |
| Height Offset: | 60.0 mm |
| Absolute constant: | -27.00 mm |
| Leica constant: | +7.40 mm |
| Constant source: | Manufacturer documentation |
| Prism diameter: | 38.1 mm |
| Mount: | Screw Holes |
| Last verified: | 21/10/2026 |
Sources
Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm FAQ
Below is a list of frequently asked questions about Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm.
What is the prism constant for the Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm?
The absolute prism constant for the Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm is -27.0mm. The Leica constant is 7.4mm.
Can I use the Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm with a Leica instrument?
Yes, just set the prism constant to 7.4mm.
What is the height offset of the Myzox TT-27 fixed-point (monitoring) nodal prism, offset -27 mm?
The height offset is 60.0mm.
