
Description
The Seco Tilting Triple Prism Assembly is a survey prism made by Seco (part number 6341-00 (target 6341-11)).
It can be set up in two positions, giving an absolute prism constant of 0.0 mm or -30.0 mm (+34.4 mm or +4.4 mm on the Leica scale). Always check which position is in use before measuring.
Specifications
| Model: | 6341-00 |
| Manufacturer: | Seco |
| MPN: | 6341-00 (target 6341-11) |
| Status: | Current |
| Absolute constant: | +0.00 mm or -30.00 mm |
| Leica constant: | +34.40 mm or +4.40 mm |
| Two mounting positions. Check which one is in use before measuring. | |
| Constant source: | Manufacturer documentation |
| Prism diameter: | 62 mm |
| Weight: | 1,230 g |
| Mount: | holder compatible with most screw-in prisms |
| Coating: | copper |
| Housing: | orange polycarbonate body with metal inserts, aluminium yoke |
| Last verified: | 21/10/2026 |
Sources
Seco Tilting Triple Prism Assembly FAQ
Below is a list of frequently asked questions about Seco Tilting Triple Prism Assembly.
What is the prism constant for the Seco Tilting Triple Prism Assembly?
The Seco Tilting Triple Prism Assembly has two mounting positions. The absolute prism constant is 0.0mm or -30.0mm. The Leica constant is 34.4mm or 4.4mm.
Can I use the Seco Tilting Triple Prism Assembly with a Leica instrument?
Yes, just set the prism constant to 34.4mm (or 4.4mm in the second position).



