Description
The Seco Walleye Prism System with 5/8 x 11 Adapter is a monitoring prism made by Seco (part number 6603-00).
Its absolute prism constant is -40.0 mm, which is -5.6 mm on the Leica scale.
Specifications
| Model: | 6603-00 |
| Manufacturer: | Seco |
| MPN: | 6603-00 |
| Status: | Current |
| Absolute constant: | -40.00 mm |
| Leica constant: | -5.60 mm |
| Constant source: | Manufacturer documentation |
| Prism diameter: | 62 mm |
| Mount: | 5/8" Thread |
| Housing: | stainless-steel locking |
| Last verified: | 21/10/2026 |
Sources
Seco Walleye Prism System with 5/8 x 11 Adapter FAQ
Below is a list of frequently asked questions about Seco Walleye Prism System with 5/8 x 11 Adapter.
What is the prism constant for the Seco Walleye Prism System with 5/8 x 11 Adapter?
The absolute prism constant for the Seco Walleye Prism System with 5/8 x 11 Adapter is -40.0mm. The Leica constant is -5.6mm.
Can I use the Seco Walleye Prism System with 5/8 x 11 Adapter with a Leica instrument?
Yes, just set the prism constant to -5.6mm.
