B07CLS4H8P Sigma USB Dock for Nikon Lenses with 16GB Memory Card and Accessory Bundle

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BUNDLE INCLUDES: Sigma USB Dock for Nikon Lenses, Sandisk Ultra 16GB Class 10 SD Memory Card, and Focus Camera 5-Piece Digital Camera Cleaning and Accessory Kit
AF SPEED MODES: The dock features three different AF speed modes to modify how quickly the lens changes focus
COMPATIBILITY: The dock is only compatible with the Sigma Art, Contemporary, and Sports line lenses
Sigma Optimization Pro: Works in conjunction with Sigma Optimization Pro software in order to connect your lens to your personal computer
SIGMA AUTHORIZED DEALER: Includes USA Manufacturer Warranty