Sekonic Viewfinder 5 Degree for L-478 Meters

The Viewfinder 5 degree provides both direct flash and ambient 5 degree reflected-light, spot readings when used with the LiteMaster Pro L-478D and L-478DR meters (available separately).
Narrow spot readings enable reading specific areas of a subject
Useful for measuring exposure for theater, sports and landscapes photography
Required for using Sekonic DTS system to calibrate meter to the dynamic range of digital still and video cameras