Sokkia Optical Plummet Adapter AP41
- This adapts retro prisms to Swiss-style tribrachs
- Includes a removable Zeiss plug and locking screw
- Fits all tribrachs
- Height 34.5 mm
- Weighs 1.75 lb (0.80 kg)
This Sokkia Optical Plummet Adapter all mount and target assemblies; has 60″ level vial for accurate levelling and centring that’s adjustable to match height of optical axis above the tribrach.