mõõtevahend mõõteobjektist kaheastmelise suurendusega optilise kujutise saamiseks ekraanil ja kujutise abil mõõteobjekti elementide koordinaatide mõõtmiseks, measuring projectors with vertically running beam have a very large stage with X and Y movements, and particularly large work pieces can be measured all at once, or many small work pieces can be measured in series
