1' measuring angle
Silicon photo diode (SPD) for fast response
LED digital display
EV1-EV20 metering range
Extra bright pentaprism for low-light viewing
-2 to +1 adjustable diopter
Institute of Radio Engineers (IRE) scale
ZONE VI MODIFICATION: Calibration of meter to within 1/16th stop of linearity of the entire range of light values, four corrective filters to match meter's spetral response to that of the film, infra-red absorbant coating to eliminate reflections, installation of step-down baffles to eliminate flare, superior photo-electric cell, zone sytems dials. This modification offers greater consistency and accuracy, ideal for Zone System applications.