Leica Mini prism 0-Constante GMP111-0 BASIC US$390 Product Highlights GMP111-0 Mini prism mounted in polymer holder with 1/4" thread fittings. Includes circular bubble, GLS115 four-section pole and point that expand surveying capabilities. Leica 0-prism constant, max. IR range of 2,000 m (6,600 ft) 1 / 1 Details Article number: 642534