Zenith and Nadir plummet in protective carry case
* $ All prices shown are EX GST, EX Shipping
Precise optical plummet for observing up or down. Solid German quality.
Mean square error: ± 1mm / 30m.
Shortest focus distance: 0.4m
Can be used with any tribrach, but for nadir use we recommend 46-FG-DF11 tribrach with a large central hole to significantly improve the field of view and brightness. (Tlso required)