5 Best Fish Finders Black Friday & Cyber Monday Deals 2021

I really like fishing. The beauty of the sport is that it can take you to a place outside your busy life and let you relax. For many people, this includes the hunt for a fish -the thrill of bringing one back from deep waters- and all the places fishing takes us on adventures. One of the best things about being a fisherman is that when work has to be done, I can do it in the water during my free time.

It is always wise to invest in a fishfinder when exploring new fishing grounds, or revisiting old spots. The technology has advanced considerably and we can see sidescan and downscan imaging that helps us identify fish and structure as well.

Table of Contents.

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Different Types

We have divided fish finders into 3 broad categories, so that it is easier for you to see which type is best suited to your fishing needs.

Fishing enthusiasts may attach a mountable device to a small boat. One example is affixing it to a kayak or rental vessel.

This is a combination of a handheld fish finder and the accompanying kit; this includes all necessary equipment for easy transportation.

Fishing is easier than ever before with the advent of technology, such as a device that can be set up on land and is compatible with smartphones.

Fish Finder Features To CONSIDER

There are a great number of fish finders to choose from, and with so many extra features, it can be difficult to decide on the correct device for your purposes. Finding the features you want without looking for cheap fish finders can be tricky, but it doesn’t have to break the bank.

To get the most out of a fish finder purchase, consider which features are important for your particular needs.

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A transducer may be the part that can be used to send sound waves and provide you with a general idea of what is lurking beneath the surface. This works nearly the same as a radio antenna; it emits a sound wave and receives the returning echoes.

Features like it’s cone angle, installation type and operating frequency are crucial when buying a sonar. Modern boat-based fish finders are typically mounted on a transom or on the hull of smaller watercraft. They may also be integrated into larger through-hull units that fit in fibreglass vessels.

You must take the cone angle into consideration when selecting your transducer. Wider angles are good for shallow fishing, while narrow angles are better suited to deep-water fishing. Keep these factors in mind when you’re searching for your ideal fish finder.


A fish finder display is an important part of how well it works for you. Look at the size, color, contrast and detail when considering a purchase. A fish finder aids in distinguishing sonar signals.

You should look at how many pixels your display has, which will determine clarity and how smooth it is. These filters permit your images to pop making them simpler to view in the sun’s bright rays.

A larger screen can help increase your reading comprehension and may even be used by those who wear sunglasses when fishing.


There are two frequencies that fish finders operate on. The first, kilohertz (kHz), is either extremely low or quite high depending on the model you face whereas the other, hertz (Hz), can be anywhere in between these ranges.
Float fishing – Tips and tricks for catching a fresh catch The frequency range varies, but the higher end is typically between 192kHz-200kHz.

The range of the sonar depends largely on what part of the world you plan to fish in, and each frequency option has its own advantages. For example, low frequencies (around 50 kHz) have a better ability to scan deeper into water since it can be absorbed by water.
; Add omitted information: When trying to determine whether or not there However, their wide cone angles can sometimes be problematic – the lack of definition might make locating fish difficult.

Sonar units with higher frequencies work better in areas of shallow water. Although high frequency sonars don’t go as deep, they show more detail than a unit with lower frequencies.

There are two main frequencies for fish finders: high and low. Be sure to choose between the two depending on your fishing location. Units with both types of frequencies can create a clearer image in deep waters.

If you are someone who generally fishes in both shallow and deep environments, then maybe one of the models that can easily switch between either frequency is the best option.

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Cone Angle

We’ve mentioned the cone angle several times already–frequencies and transducers both rely on this, so that you can fish in peace.

Users should keep in mind that the cone angle of a depth finder is dependent on its frequency.

The cone angle of a fish finder shows the beam’s width when it is sent out at a certain depth and widens as it descends deeper into the water, much like a cone.

This feature is known as the transducer beam angle. A wider angle will give you a broader view of sonar signals. To fully understand how it operates requires an in-depth knowledge of math and physics. The wide-angle version will give you a wider field to work with, but it also reduces the sensitivity of the signal.

Portable vs. Fixed

You have probably heard about lightweight models and know they are affordable, but you might not know what some potential drawbacks of buying them are.

What’s next:

Although fish finders are often light and portable, fixed units tend to have more advanced features than weightier models.

Fixed models stay more stable in speeds found on the road. They are also more efficient because they need less tweaking to find valuable lines of fishing.

The best fish finders for both small and big boats are fixed models.

GPS Integrated

GPS devices are helpful for a variety of activities, from driving to fishing.

GPS can help a boater stick to the course while returning to dry land and chart coordinates of lakes and ponds around the world that people may like to explore. Additionally, you can mark the spots with the best fish densities so that you can come back again and again to take advantage of your time.

A fish finder s GPS-enabled feature is indeed convenient and helpful, but it is really up to personal preference as to whether one needs this in their particular model.

If you’re looking for a unit with both GPS and depth finder capability, look for units that can monitor your position on charts as well as provide the depth finder capabilities.

With a GPS you can input different waypoints to mark structures, ramps or fish. You will be able to revisit these at any time by selecting them from your list of “favorites.” It is better if this feature is taken into consideration and decided if the GPS is important for fishing expeditions.

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Traps and detection devices are manufactured with one of two scanning methods in mind: the downscan and the sidescan.

A downscan is an expensive sonar that provides detailed imaging and can even spot individual fish. It’s too powerful in shallower water so individuals should only use it for deeper waters where the blur will be clearer. Lowrance’s Edge series fish finders are popular because they have a split-screen monitor.

Side scanning sonar is different from traditional sonar. This type of device can scan an area for a particular object, without the need to actually move your boat anywhere near where you want to see. However, you won’t get it as often in deeper waters.

Some fish finders offer different types of sonar, a “downscan” and a “sidescan.”