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Trimble Mini Prism

Image of Trimble Mini Prism


The Trimble Mini Prism is a general purpose small prism that can be used at small to medium ranges. It is usually mounted on segmented poles.


Model:Mini Prism
Height Offset:50.0 mm
Absolute constant: -18.00 mm
Leica constant: +16.40 mm
Weight:119 g
Mount:1/4" Thread

Trimble Mini Prism FAQ

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

What is the prism constant for the Trimble Mini Prism?

The absolute prism constant (true value) for the Trimble Mini Prism is -18.0mm. The prism constant as defined for Leica instruments for Trimble Mini Prism is 16.4mm. For a more detailed explanation on prism constants please see this article.

Can I use the Trimble Mini 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 Mini Prism with a Leica instrument you should use 16.4mm as the prism constant value.

What is the height offset of the Trimble Mini Prism?

The Trimble Mini Prism height offset is 50.0mm. This is measured from the mounting point to the centre of the prism.