The Seco Tilting Triple Prism Assembly 2159-02-GRY features three copper-coated prisms with 62 millimeter diameters and 0/-30 millimeter offsets inside black, plastic canisters. Each prism canister has a M20 thread that attaches easily to this prism assembly's orange triple prism mount. The triple prism mount holds one to three prisms and is made of polycarbonate which is both UV and water-resistant. An aluminum holder holds the prisms and mount and has a 5/8 x 11-inch thread that allows surveying professionals to mount the entire triple prism assembly onto a prism pole. A sighting collimator gives you maximum visibility for pointing or tilting your triple prism assembly for long distances.
Versatile and Reliable Accessories
The tribrach for this triple prism assembly features three-screw leveling with center line, an 8-minute circular vial, and a 5/8 x 11-inch base thread that mounts onto the tribrach adapter. The tribrach adapter rotates 360 degrees and has a optical plummet with 2.5 times twist focus and a 60-second adjustable plate vial. The adjustable target tilts with the triple prism assembly's offsets and it is reversible with orange and white on one side and black and white on the other side. And a bright orange, hard carrying case provides reliable protection for your triple prism assembly and accessories for storage or transport.
Gray Tribrach Package
This package includes the triple prism assembly as well as a gray tribrach, gray tribrach adapter, target, and carrying case.