Description
The Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm is a monitoring prism made by Myzox (part number 218459 (C.R. Kennedy MYX218459)).
Its absolute prism constant is -17.0 mm, which is +17.4 mm on the Leica scale.
Specifications
| Model: | TT-17 |
| Manufacturer: | Myzox |
| MPN: | 218459 (C.R. Kennedy MYX218459) |
| Status: | Current |
| Height Offset: | 57.0 mm |
| Absolute constant: | -17.00 mm |
| Leica constant: | +17.40 mm |
| Constant source: | Manufacturer documentation |
| Weight: | 130 g |
| Mount: | Screw Holes |
| Last verified: | 21/10/2026 |
Sources
Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm FAQ
Below is a list of frequently asked questions about Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm.
What is the prism constant for the Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm?
The absolute prism constant for the Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm is -17.0mm. The Leica constant is 17.4mm.
Can I use the Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm with a Leica instrument?
Yes, just set the prism constant to 17.4mm.
What is the height offset of the Myzox TT-17 fixed-point (monitoring) nodal prism, offset -17 mm?
The height offset is 57.0mm.
