[visionlist] Photometers & Colorimeters

[Dr. Mark Brady]

For those of you who use photometers and colorimeters, which instruments
seem to work best and which seem to have difficulties? Currently I am using
a Minolta LS 110 which drifts, even over the course of a few seconds.  Other
instruments seem to have limited working luminance ranges.  What problems
should one be wary of when buying a new instrument?

Mark J. Brady

Department of Psychology
North Dakota State University



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