With rugged construction to withstand hard use, and dual ISO settings for easy metering when shooting two different speeds on the same job. Large LCD panel clearly displays all the information and has a backlight control for dimly lit situations. FEATURES INCLUDE

• Ruggedly built, with all-weather seals on all buttons, switches and compartments
  
• Analyzes simultaneous flash and ambient readings and displays results in 3 different ways
  
• Unlimited number of cumulative flash exposures
  
• Displays apertures f1 to f90.9, shutter speeds 30 min. to 1/8000 sec
  
• Lumisphere retracts for contrast readings
  
• Accepts optional Pocket Wizard transmitter card for cordless activation of flash.