https://equipio.com/camera/lens-accessories/ibe-optics-hdx35-miii-b4-to-pl-converter/
IBE Optics HDx35 MIII B4 to PL Converter
The HDx35 Mark III is a premium optical converter designed to adapt HD ENG 3D CCD lenses for use with Super 35 sensor cameras like the ARRI Alexa series, RED...
ibe opticsplconverter