Add the "on-demand" compass to the 7 x 50 Navigator, and you've got an ideal lightweight navigation binocular, one that will perform well in all navigational or watch situations. The illuminated "on-demand" compass is seen only when electronically activated. There's no reticle in the field of view, only a pointer to mark your bearing. This gives you a full view when you're not using the compass, making it the perfect marine binocular, for navigating when aboard, and exploring or viewing ...