Would that be fixed fish finders or portable fish finders? This is perhaps one of the most important questions you have to answer in case you are looking for the best device to improve your catch - figuratively speaking, of course. Fish finders are wonderful fishing tools to invest in and it does not matter if you are fishing for a living, or doing this as a sport or simply as a way to pass the time. This device can aid you greatly while you are out on the water. However, with all the models coming out, and with all those digits attached to the dollar sign as its price, it would really do you well to do enough research before spending all your money.
Again, would you need fixed or portable fish finders? Fixed fish finders are especially useful to the angler, or the fisherman, or sports man (or woman) who uses the same boat, no matter what the occasion is. Some models are small enough to be attached somewhere on the stern, or the trolling motor, or even right there on the hull. Wires can be safely tucked under the bow or floorboards of the boat so that they do not hamper movement. However, for people who prefer having the option of carrying their own portable fish finders for some ice fishing escapades, or fly-in retreats, or even just on rented vessels; portability translates to convenience. So which one is it? The price is also dependent on whether you are getting a fixed or portable fish finder model.
Finding the best display screen (monitor) is also another great way of gauging the quality of the product. With advancements in technology, there is but a few differences between the prices of a 2-D screen output and a 3-D screen output. Monitors with grayscale outputs are also almost at the same price range of colored monitors. Screens with 160x160 pixels are competing in price with those that have 240x240. So why settle for less? If you can afford to spend a little more, investing in a model that is somewhat higher in screen resolution should prove very useful in the future.
Extensive sonar power is essential, but only if you are fishing in very deep waters. Some fishing enthusiasts rarely go to the depths, especially if the fish are biting in shallow waters anyway. But big fish anglers like to attack from deep water, and so would other commercial fishermen who may be after some bigger game. If the latter is your case, you need to pursue your potential device's sonar power, because this is literally the very essence of getting a fish finder. Check specifics like: beam, cone angle and frequency.
Beam refers to the actual sonar pulse sent through the water. Most transducers have single beams. Dual, triple and side beam options may be unnecessary for recreational fishermen, but may prove beneficial to others. If you are not particularly sure about just how many sonar pulses you would actually need in the future, you might want to try choosing a model with upgrade options.
Cone angle deals with how wide the sending beam is transmitted through the water. Depending on the depth of the water, cone angles can widen or diminish. Larger cone means more coverage, regardless of depth.
Frequency is the actual power of given to the sonar beam: the higher the frequency, the stronger the beam.
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