Bluechartandreg; g2 Vision? Plug an optional BlueChart g2 Vision SD card into your new Garmin chartplotter and tremendously expand its capabilities. By adding a BlueChartandreg; g2 Vision card to your compatible chartplotter, youll have access to premium mapping features such as true 3D-view detailed mapping capabilities (both above and below the waterline), plus helpful Auto Guidance, high-resolution imagery, and andquot;real pictureandquot; aerial photos of ports, harbors, marinas, waterways, navigation landmarks and other points of interest. BlueChart g2 Vision Features: BlueChart g2 Vision SD cards enhance the preloaded maps on your chartplotter and add a whole new dimension of exceptional features such as: - High resolution satellite imagery , when overlaid on the chart, provides the mariner with unparalleled situational awareness. - Aerial reference photography provides andquot;real worldandquot; photos of ports, harbors, marinas, waterways, navigation landmarks and other points of interest, offering the mariner another powerful tool for navigating unfamiliar waters. - Marinerand#39;s Eye View perspective provides a birdand#39;s eye view from behind the boat showing the chart informatio  (less)