Home » Wiki » Survey Prisms » Leica GPR111 Circular Prism

Leica GPR111 Circular Prism

Description

Circular prism sealed in red polymer holder.

This prism is part of the Professional 3000: MAXIMUM LIFETIME series of Reflectors from Leica Geosystems.

Optimised for common operating distances, these prisms exhibit a beam deviation of up to 8″ The special working of the optical coating, unique on the market, provides an above average lifetime.

Specifications

Model:GPR111
Manufacturer:Leica
MPN:641618
Height Offset:86.0 mm
Absolute constant: -34.40 mm
Leica constant: +0.00 mm
Dimensions (W x H x D):160x166x65.5 mm
Centring accuracy:±2.0 mm
Mount:12mm (Leica) Spigot

Leica GPR111 Circular Prism FAQ

Below is a list of frequently asked questions about Leica GPR111 Circular Prism.

What is the prism constant for the Leica GPR111 Circular Prism?

The absolute prism constant (true value) for the Leica GPR111 Circular Prism is -34.4mm. The prism constant as defined for Leica instruments for Leica GPR111 Circular Prism is 0.0mm. For a more detailed explanation on prism constants please see this article.

Can I use the Leica GPR111 Circular 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 GPR111 Circular Prism with a Leica instrument you should use 0.0mm as the prism constant value.

What is the height offset of the Leica GPR111 Circular Prism?

The Leica GPR111 Circular Prism height offset is 86.0mm. This is measured from the mounting point to the centre of the prism.