■Features
1. Compact body
2. Can be used as corner prism
3. Easy to slide on the pole by "Quick release" button
4. Prism part can be moved 180 degree
5. Easy visible circular level

■Features
1. World greatest elevation angle
2. Accurate centering
3. Visible prism height
4. Made in Japan

■Features
1. For topographic survey
2. Useful especially in timber area
3. An assist when prism staff cannot be used by its angle or with obstacles