7 Accessories and Options
94 Spectra Precision FOCUS 30 User Guide
Spectra Precision Standard Prism
Prism -Backside prism, h:135 mm prism constant:-35 mm. While using this prism the
height can be directly determined at the standard rod.
Fig. 7-3 SP Standard prism (78082035)
Spectra Precision Extra Sighting Target
Extra sighting target for backside prism.
Fig. 7-4 Standard prism target plate (78084035)