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Leica GPR1 Circular Surveying Prism

Image of Leica GPR1 Circular Surveying Prism

Description

The Leica GRP1 is a precision circular prism with anti-reflex coating. It is suitable for mounting in GPH1 and GPH3 holders.

Specifications

Model:GPR1
Manufacturer:Leica
MPN:362830
Height Offset:0.0 mm
Absolute constant: -34.40 mm
Leica constant: +0.00 mm
Centring accuracy:±1.0 mm
Mount:None

Notes:

This prism is design to be mounded in a holder. There is typical mounting point for the prism, so the height is defined as 0mm.

Leica GPR1 Circular Surveying Prism FAQ

Below is a list of frequently asked questions about Leica GPR1 Circular Surveying Prism.

What is the prism constant for the Leica GPR1 Circular Surveying Prism?

The absolute prism constant (true value) for the Leica GPR1 Circular Surveying Prism is -34.4mm. The prism constant as defined for Leica instruments for Leica GPR1 Circular Surveying Prism is 0.0mm. For a more detailed explanation on prism constants please see this article.

Can I use the Leica GPR1 Circular Surveying 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 Leica GPR1 Circular Surveying Prism with a Leica instrument you should use 0.0mm as the prism constant value.

What is the height offset of the Leica GPR1 Circular Surveying Prism?

The Leica GPR1 Circular Surveying Prism height offset is 0.0mm. This is measured from the mounting point to the centre of the prism.