When pairing with the OOOM, Laowa 1.33X Rear Anamorphic Adapter allows expanding your filming canva to a 2.35:1 cinematic widescreen ratio in a 16:9 sensor; but retains its image resolution. It adds special characters in bokeh and flares on ordinary spherical lenses to become more cinematic. PL to PL accepts PL lenses and can be used on PL cameras. Designed specifically for the Laowa 25-100mm OOOM but may work on other lenses with VERY limited compatibility. Please refer to check gauge here. (1/2 stop loss to original T-stop)