Home » Wiki » Survey Prisms » Topcon RS20N reflective sheet target 20 x 20 mm

Topcon RS20N reflective sheet target 20 x 20 mm

Image of Topcon RS20N reflective sheet target 20 x 20 mm

Description

The Topcon RS20N reflective sheet target 20 x 20 mm is a reflective target made by Topcon and also sold under the Sokkia brand (part number 210210018-SURSK (RS20T: 210210019)).

Its absolute prism constant is 0.0 mm, which is +34.4 mm on the Leica scale.

Specifications

Model:RS20N
Manufacturer:Topcon
MPN:210210018-SURSK (RS20T: 210210019)
Status:Current
Absolute constant:+0.00 mm
Leica constant:+34.40 mm
Constant source:Manufacturer documentation
Mount:Adhesive
Last verified:21/10/2026

Sources

Topcon RS20N reflective sheet target 20 x 20 mm FAQ

Below is a list of frequently asked questions about Topcon RS20N reflective sheet target 20 x 20 mm.

What is the prism constant for the Topcon RS20N reflective sheet target 20 x 20 mm?

The absolute prism constant for the Topcon RS20N reflective sheet target 20 x 20 mm is 0.0mm. The Leica constant is 34.4mm.

Can I use the Topcon RS20N reflective sheet target 20 x 20 mm with a Leica instrument?

Yes, just set the prism constant to 34.4mm.