Angle eyepiece NESTLE DT-200/DT-400 series For use with steep views

With very steep views upwards or downwards with a theodolite, readings on the telescope are often difficult. For comfortable readings up to the zenith, use this angled eyepiece. For steep views suitable for suitable for Nestle DT-40x, Topcon DT20x, GeoMax Zoom 90, or Leica instruments with bayonet lock.