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Trimble Traverse Prism

Image of Trimble Traverse Prism


The official Trimble Traverse prism is the typical precision prism used for survey control with Trimble instruments. It usually comes within the Trimble Traverse Kit and has a sigthing target plate included.

This is a high precision, metal build prism with Anti-Reflective coating.


Model:Traverse Prism
Height Offset:135.0 mm
Absolute constant: -35.00 mm
Leica constant: -0.60 mm
Weight:770 g
Centring accuracy:±0.3 mm
Mount:5/8" Thread

Trimble Traverse Prism FAQ

Below is a list of frequently asked questions about Trimble Traverse Prism.

What is the prism constant for the Trimble Traverse Prism?

The absolute prism constant (true value) for the Trimble Traverse Prism is -35.0mm. The prism constant as defined for Leica instruments for Trimble Traverse Prism is -0.6mm. For a more detailed explanation on prism constants please see this article.

Can I use the Trimble Traverse Prism with a Leica instrument?

Yes, you can use the prism with a Leica instrument as long as you set up the correct prism constant in the instrument settings.

What is the prism constant value that I need to use with a Leica instrument?

In order to use the Trimble Traverse Prism with a Leica instrument you should use -0.6mm as the prism constant value.

What is the height offset of the Trimble Traverse Prism?

The Trimble Traverse Prism height offset is 135.0mm. This is measured from the mounting point to the centre of the prism.