The Samyang AF Lens Station is a device that enables you to customise the performance and update the firmware of your Samyang AF EF Canon lens. Simply download the Lens Manager software, connect the Lens Station to your computer and choose from the following settings: Firmware Update, AF Adjustment (+/-4), Aperture and Manual Focus Sensitivity (slow, normal and fast). Key Features: Samyang AF Lens Station for EF Canon Lenses For Samyang autofocus lenses with EF Canon Improve the performance and adjust the settings of your lens Update firmware and calibrate focus, aperture and MF speed Download the Lens Manager software to your computer |