Traditional Culture Encyclopedia - Photography and portraiture - Fish Finder for Fishing Is the fish finder for fishing in Taiwan Province useful?
Fish Finder for Fishing Is the fish finder for fishing in Taiwan Province useful?
First of all, you have to understand the sonar principle of the fish finder-the sonar principle is to detect downward with a cone. The deeper the water, the larger the detection area. Until the detection limit of the machine, usually the depth detection area above 10 meter will play a role in the fishing process. Therefore, whether it is raft fishing, boat fishing or sea fishing, the premise is that you can use this thing to hang the bait vertically under your feet and fish for more than ten meters.
To fish on the shore, you should set up a long pole, tie the fish finder to the tip of the pole, and put the fish finder as close as possible to the float. Then you will find that the detection area of the fish finder is only as small as a footbath when fishing for about 3 meters. So this thing can only increase our burden of fishing on shore, just like chicken ribs.
As for the visual fish finder, I have studied the video of Japanese crucian carp fishing, and its underwater camera can see no more than one meter.
To sum up, I think the fish finder is of little significance, and most of it is just a gimmick of the merchants.
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