Lens Station Lens Station is a device to customize lens performance and update firmware of Samyang autofocus lens series. Please download ‘Lens Manager’ software to update the firmware or calibrate focus and manual focusing sensitivity. Product Detail ① USB connection port ② Lens installation index ③ Electric contact ④ Release button For using Lens station. you have to install Lens manager software on your computer. Lens manager software is available for free from Samyang’s official website. SAMYANG Lens Manager is only available for Samyang’s Auto Focus lens except Samyang’s Manual Focus lens or other brands.