Description
The Spectra Precision 360 degree prism incl. height adapter (FOCUS 30/35 robotic) is a 360° prism made by Spectra (part number 58128001-SPN).
Its absolute prism constant is +2.0 mm, which is +36.4 mm on the Leica scale.
Specifications
| Model: | Spectra Precision 360 Prism |
| Manufacturer: | Spectra |
| MPN: | 58128001-SPN |
| Status: | Discontinued |
| Absolute constant: | +2.00 mm |
| Leica constant: | +36.40 mm |
| Constant source: | Dealer listing |
| Dimensions (W × H × D): | 99×120×99 mm |
| Weight: | 359 g |
| Mount: | 5/8" Thread |
| Equivalents: | Trimble VX & S Series 360 Prism 58128001 |
| Last verified: | 21/10/2026 |
Notes:
- The prism constant comes from a dealer listing and has not been confirmed in manufacturer documentation. Check the label on the prism before relying on it.
Sources
Spectra Precision 360 degree prism incl. height adapter (FOCUS 30/35 robotic) FAQ
Below is a list of frequently asked questions about Spectra Precision 360 degree prism incl. height adapter (FOCUS 30/35 robotic).
What is the prism constant for the Spectra Precision 360 degree prism incl. height adapter (FOCUS 30/35 robotic)?
The absolute prism constant for the Spectra Precision 360 degree prism incl. height adapter (FOCUS 30/35 robotic) is 2.0mm. The Leica constant is 36.4mm.
Can I use the Spectra Precision 360 degree prism incl. height adapter (FOCUS 30/35 robotic) with a Leica instrument?
Yes, just set the prism constant to 36.4mm.
