RE: Binoculars
I have a relatively inexpensive pair of 7 x 50 binoculars.* They have a compass that I use when offshore to take bearings on boats and ships in crossing situations.* That quickly tells if I will pass befind, ahead, or try to occupy the same space of the crossng vessel.* A bearing every few minutes will keep you informed.
Light gathering is very important as is field of view.* I like a lower power set with a wide field of vew.* Using binoculars at night for picking up bouys and markers is very effective.* Light gathering ability helps here.* I can even see dark objects pretty well.** Using the binoculars instead*of the spotlight for close objects can preserve night vision.*Stabalized binoculars are very good, but are also very expensive.* I have used several kinds over the years, but have found about a $250.00 pair will do the job I need.
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