How big of a spotting scope do I need?


You can use a spotting scope for several different purposes, including bird watching, surveillance, astronomy, hunting, and so on. Depending on your specific purpose, you need to determine what size spotting scope you need. Not only that, you have to consider other related things before you are going to purchase one.

Actually, it is a telescope, but the small version that you can use being a nature lover. To see the object you are trying to watch, you need nothing but a Spotting Scope. It will help you to see clearly things at a very distant place. Those who are a nature lover and love to watch birds from very remote need it badly. It comes up with various sizes and features.

If you want to define the size you need, you have considered several things, including its magnification size, the exit pupil size, the objective lens size, and the like. Otherwise, you will end up purchasing one that will not suit your needs. So, before you are going to make the final decision of buying a spotting scope, take time, and choose wisely so that it can meet your needs.

However, in this precise but useful article, I will take you through the details to purchase a spotting scope and its size, depending on your needs. So, stick around and keep reading to the end for your better understanding.

Magnification capacity of a spotting scope

It is very important to have a broader range of magnification power of the spotting scope you are going to choose. It should have the capacity to enlarge the object you are trying to capture its photograph with your spotting scope. The larger the range of a spotting scope, the better the resolution of the image you will get. Its normal ranges are from 20x to 40x, which is enough for a bird watcher to capture high-resolution images.

If you need a high-quality magnification spotting scope, you have invested a lot of money. Because spending a little money to have a spotting scope is not enough to get a good one. Besides, you have considered other things related to its magnification power, including the atmosphere, cost, purpose, and ranging capacity.


If you are a bird watcher, you need a high-resolution magnification power of your spotting scope. So, determine the purpose before you go for buying a spotting scope for your need. When you are determined with the purpose, it is time to invest accordingly. As a bird watcher, you will need to have a 20x to 40x magnification power of the spotting scope.

On the other hand, if your purpose is to capture those objects that are pretty closer to you and fixed, you can go for less magnification power of your spotting scope.


The atmosphere plays an essential role in capturing photographs of things and birds. If the atmosphere is rough and windy, you may not end up capturing high-quality images of your desired objects or birds. Moreover, humidity is another hindrance to taking photos of objects clearly.

If the weather is terrible and you have a higher magnification power of the spotting scope, yet, you cannot capture a high-quality image. This rough weather will lessen the quality of the image you are going to capture. So, before you are going to capture any image, whether it is an object or bird, make sure the weather is in favor of you.

Cost of the product

You should not compromise with the quality of the photos you need to capture them. Cheap spotting scopes will provide you with lousy image quality while costly one will ensure the high quality of your taken images.

So, don’t think that cheap spotting scopes are ideal for you to take high-quality pictures of anything. Instead, you will end up having lousy quality images that are not expected to you like a bird watcher.

Objective lens size of the binocular

An objective lens is the diameter of a spotting scope, which is an important thing you must consider for getting a better quality image of any object. The bigger the lens, the greater the details of your taken pictures will be. So, never compromise with the objective lens size.

Exit pupil size of the scope

The brightness of any image is something that makes the picture beautiful. Make sure you have at least 1.33 mm exit pupil size. It is considered to be the ideal size of the exit pupil. If you have a scope that has less than the number mentioned earlier, your captured image will not be as detailed as you might think.

Final Words

Considering all the things mentioned above, you can determine what size of a spotting scope you need. Depending on your purpose, you should make the decision. In my opinion, if you can consider the things I have said earlier in this article, you will end up getting your expected spotting scope.

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