Sigma has developed special software (SIGMA Optimization Pro) that can update the lens firmware and adjust parameters such as focus. In addition, the lenses from our Sports line have customizable AF speed, focus limiter, OS function and full-time manual focus function. The 'Custom Mode Switch' is the device for further customization on the dedicated lenses.
First hyper-telephoto zoom from the Contemporary line, Lightweight and compact in construction for higher useability
Water and oil repellent coating on front glass element makes maintenance of the lens surface easier Dust proof and splash proof mount
