The Humminbird 561 DI is one of the cheapest models with Down Imaging. If you’re looking for a Humminbird unit strictly for finding fish, this might be it. Although it features only a black and white screen, 12 LvL Greyscale, it’s quite wide, 5-inch in diagonal, 320 x 320 pixel resolution. Evidently, it allows you to view both DI and classic sonar imaging in split screen.
It has Dual Beam Plus sonar, just as the <span