ExpoDisc v3 Professional White Balance Filter 77mm Save Time Editing with a Quick and Easy White Balance

ASSEMBLED AND TESTED IN USA We care about our products we assemble test and certify every ExpoDisc in California on our transmission spectrophotometer DURABLE IMPACT RESISTANT DESIGN ExpoDisc v3 is made from impact resistant polycoarbonate materials that will not crack or break even when dropped QUICKLY SET WHITE BALANCE Set your white balance incamera no software required or capture a gray reference image to use with your preferred image editing software when processing your RAW files in post production In most cameras you can set a white balance in 1520 seconds EASIERTOUSE THAN A GRAY CARD Simply place the ExpoDisc v3 in front of your lens and capture the incident light while setting your cameras white balance NEW WIDE SPECTRUM WHITE BALANCE The ExpoDisc v3 enables precise custom white balance adjustment across the visible spectrum 380nm to 700nm and extends to the infrared spectrum 700nm to 2200nm INFRARED IR WHITE BALANCE ExpoDisc v3 maintains excellent light transmission from 350nm to 2200nm allowing for consistent white balance when using infrared IR filters for infra red photography CALIBRATED LIGHT TRANSMISSION The new ExpoDisc v3 is calibrated to be inline with ANSI standards for digital light meters ensuring approximately 14 light transmission IMPROVED EXPOSURE ACCURACY With this calibration the ExpoDisc v3 offers a notable improvement of approximately 13 to 12 fstop when using it for exposure metering on digital cameras.