Acrylic reflectors and reflective sheeting are attractive alternatives to the glass prism reflectors normally supplied with infrared EDM instruments. The range limitations of these devices has been investigated using modern distance meters. The range to acrylic reflectors was typically 100–200 m. The change of the total instrument/reflector correction can be large and must be determined. The measurement precision is not seriously degraded by measuring to such reflectors.
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J. M. Rüeger (1990) studied this question.
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