The DE-P3 provides positive diopter extension of +3 m-1. Attached to a compatible Olympus camera body, the DE-P3 together with the camera's built in diopter provides combined correction effect to +4 m-1.

Compatible with the following Olympus D-SLR cameras:
E3 / E30 / E300 / E330 / E410 / E420 / E500 / E510 / E520