Sigma USB Dock - Canon EF-M Mount Brand_Celestron A floating focus mechanism ensures

A floating focus mechanism ensures that consistently superior optical performance is achieved at all focusing distances

photographed in collaboration with The Boma Project and the communities of the north

3 liters of internal expansion provided by MagLatch hardware

120fps high-speed shooting of Full HD video can be used to create high-quality slow-motion footage in post-production

Despite their amazingly light-weight construction

Sigma USB Dock - Canon EF-M Mount Brand_Celestron A floating focus mechanism ensuresBy connecting the USB cable to a computer, SIGMA USB DOCK enables photographers to update the lens firmware and adjust parameters such as focus. The adjustment is processed with special software (SIGMA Optimization Pro). The AF speed, focus limiter and OS function are also customizable for Sports lenses.