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Seco Single Prism Traverse Kit (#2159-01)

This traverse or precise backsight kit includes a 62 mm prism assembly (#6400-10). The prism canister is silver coated to resist fogging and the prism has <5 arc-seconds angle deviation. The adjustable tilt target has 0, -30, and -40 prism offsets and is reversible; orange/white and black/white. The target also has a sighting collimator for precise pointing.
 
The kit comes with a rotating tribrach adapter (#2153-10-BLK) that is compatible with all prisms with a 24.9 mm bayonet base. It has a 2.5X twist focus optical plummet and a 60-second adjustable plate vial. The adapter has a precision machined axis that rotates 360 degrees. The height is 100 to 120 mm and over the point accuracy is 0.5 mm at 1.5 m.
  
Also included is a tribrach (#2153-04-BLK) which features three-screw-leveling with center line, an 8-minute circular vial, and 5/8 x 11 base thread.
  
This kit also comes with a bright orange, hard shell carrying case (#2159-050) with high density foam inserts, nickel plated latches and backpack straps.  
  
 
Weighs 9.95 lb (4.51 kg)
 
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