Description
The Seco Adjustable Dual Prism is a monitoring prism made by Seco (part number 6603-03).
Its absolute prism constant is 0.0 mm, which is +34.4 mm on the Leica scale.
Specifications
| Model: | 6603-03 |
| Manufacturer: | Seco |
| MPN: | 6603-03 |
| Status: | Current |
| Absolute constant: | +0.00 mm |
| Leica constant: | +34.40 mm |
| Constant source: | Manufacturer documentation |
| Prism diameter: | 62 mm |
| Mount: | 5/8" Thread |
| Coating: | silver |
| Housing: | 303 stainless steel |
| Last verified: | 21/10/2026 |
Sources
Seco Adjustable Dual Prism FAQ
Below is a list of frequently asked questions about Seco Adjustable Dual Prism.
What is the prism constant for the Seco Adjustable Dual Prism?
The absolute prism constant for the Seco Adjustable Dual Prism is 0.0mm. The Leica constant is 34.4mm.
Can I use the Seco Adjustable Dual Prism with a Leica instrument?
Yes, just set the prism constant to 34.4mm.
