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[January 1, 2004]Zooming In: Raymarine DSM250 and L770DIf you want sharp photographs, you focus your camera tightly on your subject. Likewise, if you want sharp sonar images, check out the Raymarine DSM250 High Definition Fish Imaging sounder module and the L770D, a 7" color echosounder. This digital system's ability to separate closely spaced fish targets is amazing.



