Sigma UD-11 USB Dock for Leica L JBL Field-Flattener Lenses

Field-Flattener Lenses

Eyepiece lens construction: 7-elements/5-groups

Camera-based lens firmware updates via dedicated TAMRON Lens Utility software

bird watching and general outdoor activities

thanks to adjustable eyepieces with 15

Sigma UD-11 USB Dock for Leica L JBL Field-Flattener LensesSigma USB Dock for Nikon F Mount Lenses Compatible with Select L Mount Lenses Use with Sigma Optimization Pro Software Update Lens Firmware and Adjust Settings USB Type C Port Adjust and update select Sigma L mount lenses, teleconverters, and mount converters with the UD 11 USB Dock. Used in conjunction with Sigma's Optimization Pro software, this useful accessory can be used to update lens firmware as well as adjust the amount of focus movement and