
Description
The Topcon RS20N reflective sheet target 20 x 20 mm is a reflective target made by Topcon and also sold under the Sokkia brand (part number 210210018-SURSK (RS20T: 210210019)).
Its absolute prism constant is 0.0 mm, which is +34.4 mm on the Leica scale.
Specifications
| Model: | RS20N |
| Manufacturer: | Topcon |
| MPN: | 210210018-SURSK (RS20T: 210210019) |
| Status: | Current |
| Absolute constant: | +0.00 mm |
| Leica constant: | +34.40 mm |
| Constant source: | Manufacturer documentation |
| Mount: | Adhesive |
| Last verified: | 21/10/2026 |
Sources
Topcon RS20N reflective sheet target 20 x 20 mm FAQ
Below is a list of frequently asked questions about Topcon RS20N reflective sheet target 20 x 20 mm.
What is the prism constant for the Topcon RS20N reflective sheet target 20 x 20 mm?
The absolute prism constant for the Topcon RS20N reflective sheet target 20 x 20 mm is 0.0mm. The Leica constant is 34.4mm.
Can I use the Topcon RS20N reflective sheet target 20 x 20 mm with a Leica instrument?
Yes, just set the prism constant to 34.4mm.


