The vast majority of fish finders that are out there come with screens and the like, and there is a pretty good chance that you would need these screens in order to be able to make use of these fish finders in the manner that they are actually supposed to be used. Suffice it to say that the size and quality of your screen in the fish finder that you end up making a purchase for is a factor that you should at the very least try your best to take into consideration if nothing else at all, and we are going to tell you precisely why this is the case shortly.
You see, in order to make fishing more fun, the truth of the situation is that your fish finder would need to be easy to use. A small screen would result in you not really being able to see all that clearly where your fish are and how you can end up getting to them, and the fact of the matter is that this is the sort of thing that can make your fish finder completely useless and give you the impression that buying it was little more than a waste of money above all else.
Quality fish finders will not just have large screens, they will have touch based controls as well. This will allow you to zoom in and out and give you a much clearer picture of the fish that you are checking out in the hopes of being able to catch them. You would do well to find a fish finder that has features that are similar to what we have described up above.