Description
The Seco 2.5 inch Sliding Prism with Tilting Reflector is a survey prism made by Seco (part number 6455-00).
Its absolute prism constant is 0.0 mm, which is +34.4 mm on the Leica scale.
Specifications
| Model: | 6455-00 |
| Manufacturer: | Seco |
| MPN: | 6455-00 |
| Status: | Current |
| Absolute constant: | +0.00 mm |
| Leica constant: | +34.40 mm |
| Constant source: | Manufacturer documentation |
| Prism diameter: | 63.5 mm |
| Weight: | 370 g |
| Mount: | slides on SECO 5120-series Geodimeter-style prism pole |
| Coating: | silver |
| Housing: | fluorescent-yellow translucent polycarbonate targets |
| Equivalents: | Geodimeter-style sliding prism |
| Last verified: | 21/10/2026 |
Sources
Seco 2.5 inch Sliding Prism with Tilting Reflector FAQ
Below is a list of frequently asked questions about Seco 2.5 inch Sliding Prism with Tilting Reflector.
What is the prism constant for the Seco 2.5 inch Sliding Prism with Tilting Reflector?
The absolute prism constant for the Seco 2.5 inch Sliding Prism with Tilting Reflector is 0.0mm. The Leica constant is 34.4mm.
Can I use the Seco 2.5 inch Sliding Prism with Tilting Reflector with a Leica instrument?
Yes, just set the prism constant to 34.4mm.
