Home » Wiki » Survey Prisms » Leica GMP104 L-bar Mini Prism

Leica GMP104 L-bar Mini Prism

Image of Leica GMP104

Description

The Leica GMP104 L-bar Mini Prism is a monitoring prism mounted in metal holder.
Supplied with L-bar for fixed installations.

Different prism offsets can be achieved, dependant on the mounting position.

The maximum range that can be achieved with the Leica GMP104 is 2000m with IR.

Specifications

Model:GMP104
Manufacturer:Leica
MPN:641762
Absolute constant: -25.46 mm
Leica constant: +8.94 mm
Centring accuracy:±2.0 mm
Mount:Screw Holes

Leica GMP104 FAQ

Below is a list of frequently asked questions about Leica GMP104.

What is the prism constant for the Leica GMP104?

The absolute prism constant (true value) for the Leica GMP104 is -25.5mm. The prism constant as defined for Leica instruments for Leica GMP104 is 8.9mm. For a more detailed explanation on prism constants please see this article.

Can I use the Leica GMP104 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 GMP104 with a Leica instrument you should use 8.9mm as the prism constant value.