Description
The Trimble ST30 Smart Target is a active target made by Trimble.
Its absolute prism constant is +6.2 mm, which is +40.6 mm on the Leica scale.
Specifications
| Model: | ST30 Smart Target |
| Manufacturer: | Trimble |
| MPN: | Unknown |
| Status: | Current |
| Height Offset: | 135.0 mm |
| Absolute constant: | +6.20 mm |
| Leica constant: | +40.60 mm |
| Constant source: | Manufacturer documentation |
| Prism diameter: | 20 mm |
| Weight: | 1,250 g |
| Range: | ATR: Passive 1.5-500; Active 1.5-600 |
| Mount: | 5/8" Thread |
| Coating: | Silver |
| Last verified: | 21/10/2026 |
Sources
Trimble ST30 Smart Target FAQ
Below is a list of frequently asked questions about Trimble ST30 Smart Target.
What is the prism constant for the Trimble ST30 Smart Target?
The absolute prism constant for the Trimble ST30 Smart Target is 6.2mm. The Leica constant is 40.6mm.
Can I use the Trimble ST30 Smart Target with a Leica instrument?
Yes, just set the prism constant to 40.6mm.
What is the height offset of the Trimble ST30 Smart Target?
The height offset is 135.0mm.
