Omni #3492 mini prism has a brass stud for fast and accurate mounting. The small compact size of this all metal hermetically sealed prism holder insures durability in the most adverse conditions. Prism Accuracy is 3 arc seconds.
Features: • 25.4mm diameter prism • Prism constant is 17.50 mm • Accuracy 3 arc seconds • Tilting axis height 30 mm • 10 mm stud type • Weighs 0.22 lb (0.10 kg)