The RH Zonemaster will enhance darkroom productivity by assessing initial exposure and print grade, for BW printing then determining specific exposure times for specific areas of the print.

• Take a reading from the brightest highlight and another from the deepest shadow -  thats all you need to do to get started- indicates exposure and grade - if outside of range of paper grade LED's flash - correct by altering Grade button until LED's stop flashing showing full Grey Scale range- then expose at indicated time and Grade

• Spot metering probe with built-in Densitometer function for reading relative negative densities
• Exposure range 1 - 240 secs with steps in intervals of 1/3, 1/4, 1/6 or 1/12 f-stops
• 8 Channels for storage of settings for different papers or light sources
• Exposure transfer to StopClock PRO using serial cable
• Calibration kit for accuracy
•  PP3 / MN1604 type battery (included)