X0.75 Focal reducer</br>MFT Supported</br>EF , EF-S , Lenses Supported</br>Start-Stop Recording</br>Wireless aperture control</br></br>Product Description</br></br>Iris Lock Variable speed on focus pulling safe case included A.B Stops battery endurance Long range operating Update supporting</br><br/>http://www.amazon.com/gp/product/B01E9IVQEM