I met Mr. Georg Thoma, in Munich 6 months ago (he designed the Sachtler Color Meter) and he showed me his meter. This meter is very technical and the interface is in my opinion to technical and to complex. In principle the Sachtler color meter is more reliable and better designed technically than the Minolta meter, but the Minolta 3F is much more user friendly and gives you enough accurate measurement.
And one reminder: all color meters need to be calibrated once a year! After one year the sensor in the meters starts to give wrong measurement, no matter if the meter costs $500 or $5.000!
Tómas Örn T.
Director of Photography
www.internet.is/tomastomasson