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Optical plummet tribrach on a Geomax Zoom 90 with laser plummet.
I’ve been thinking about this option for awhile now as I’m chasing that millimeter accuracy in setting up the instrument over a control point. I was wondering if a pefectly calibrated Leica tribrach (professional 5000 series) with an optical plummet would give me the rigidity and centering repeatability I am looking for. I find the laser plummet too bright in lower lighting conditions even at the lowest power setting and the reflections around the center of mag-nail are really confusing as to where exactly that laser dot is located. I started marking the center of the nail with a black marker and painting the rest of the nail with orange spray paint to reduce those unwanted reflections, but the result was just slightly better than the unpainted nail.
Has anyone here tried this setup – optical plummet on a laser plummet instrument?
Thank you for your input.
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