Sigma TC-2011 2x Teleconverter Mount:Leica L-Mount 4 is a short telephoto

4 is a short telephoto lens characterized by its fast f/1

Bayonet Hood

which utilizes both a linear motor and a stepping motor

a removable tripod collar is also included and features an Arca-type compatible foot for wide mounting compatibility

and can achieve maximum read speeds of up to 300 MB/s and maximum write speeds of up to 260 MB/s

Sigma TC-2011 2x Teleconverter Mount:Leica L-Mount 4 is a short telephotoSigma TC 2011 2x Teleconverter for Leica L Front and Rear Caps Extend the reach of select L mount lenses with the Sigma TC 2011 2x Teleconverter. This optic magnifies the image by 2x and retains full communication between the lens and camera body, enabling metering, autofocus, and image stabilization as well as the transmission of Exif data. L Mount Teleconverter 2x Magnification Factor Maintains Metering, Autofocus, and OS