Pentax DK-80 WC Focusing Screen for 645D and 645Z Cameras

The DK-80 WC Focusing Screen for 645D and 645Z Cameras from Pentax is a Golden Section gridded, matte field focusing screen to fit the 645D and 645Z medium format digital cameras. The screen is an alternative to standard screen and features a center circle with two horizontal and two vertical grid lines and well as crossing diagonal lines.