Double Prism Optical Square for 90 Degree Right Angle Layout, Straight Line

90-Degree Mini Prism for DJ2 Theodolite – Handheld Optical Square Right-Angle Prism Compact & portable double penta prism for precise geodesic surveying, featuring high-accuracy right-angle reflection. Perfect for total stations, GPS receivers, and theodolites. Key Features: 90° Right-Angle Optical Square: Essential accessory for total stations and levels. Premium Construction: Durable metal housing with K9 optical glass for superior clarity. High Precision: Guarantees 3-arc-second accuracy for reliable measurements. Protective Sliding Cover: Integrated cover moves laterally to safeguard the prism when not in use. Versatile Double Penta Design: Enables instant right-angle sighting in any orientation. Applications: Setting grading stakes & marking precise corners. Executing 90°, 180°, and perpendicular offset measurements in surveying/leveling tasks.

• Metal casing, K9 optical glass, 3 arc seconds precision. Compact and lightweight, easy to carry and use in various terrain conditions. Sliding window shield/cover for prism optical protection, opened and closed by sliding left and right
• Multi functional right angle function: Integrated dual right angle design, perfect for defining grading problems and creating precise angles in construction and terrain tasks
• Adjustable angle range: The right angle prism allows for precise starting from 90 ° to 180 °, flexibly meeting various measurement requirements.
• BOB lead compatibility: The dual right angle optical prism of the total station has a dedicated slot in the handle, allowing for easy connection of BOB leads for precise vertical alignment.
• Durable protection: The optical square is equipped with a durable metal cover to protect internal components, as well as a leather case, providing additional protection and elegance.