First off I’m not a surveyor and have no formal training but I use a robot for measurements and layout in the oilfield construction industry.
Recently started using a Leica ICR-70 and the kit we purchased came with both the gmp-111 and also the gmp-111-0. I know that the standard gmp-111 has a prism constant of 17.5mm and the the gmp-111-0 has a prism constant of 0.0mm.
Are there any advantages to using one over the other? When using the icon software and I select the standard Leica mini prism it automatically sets the prism constant to 17.5mm so I’m curious as to what advantages there are or situations where the 0.0mm prism constant is beneficial other than if you are switching between different prisms or fixed stations that also have a 0.0mm constant and you want to eliminate user error.
In testing I’ve found that I’m getting the same data shooting reflectorless or with the gmp-111.
I'm sure this is a very amateur question but want to learn as much as I can to become more efficient.
Neil