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Overview• Sigma USB dock works with Art, Sport, contemporary lens series
• USB Dock enables photographers to update lens firmware and adjust parameters such as focus, OS, AF speed.
• Includes Sigma Optimization Pro software.
• Connects to computer via USB cable.
• 7 year Canadian warranty
Contemporary, Arts and Sports
• Updating Lens Firmware - It is possible to update the lens firmware via the internet.
• Focus Setting - Multiple focus setting options are available: 4 categories for fixed focal length lenses, and 16 categories (4 options for focal length) x (4 options for shooting distance) for zoom lenses.
For Sports line
• AF Speed Adjustment - There are 3 AF speed modes.
• Focus Limiter Adjustment - Offering customization for the driving range of auto focus enables a photographer to exactly reflect the personal preference.
• OS Setting - There are 3 OS (Optical Stabilizer) adjustment modes.
4.6" x 3.7" x 2"