Nikon Monarch 5 8×42 Vs 10×42

Specification Comparison and Reviews

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Nikon Monarch 5 8×42


Nikon Monarch 5 10×42

Nikon Monarch 5 8×42 Vs 10×42

Specification Comparison and Reviews

Are you a bird lover? People love to watch birds between early and mid-morning where all the birds are active in flying and have their breakfast. However, if you want more birds you will not settle on your window alone. You need a tool that will help you see more birds and learn how they live every day. To achieve this you need binoculars to see more birds from afar. You may ask what kind of binoculars you need to buy? There are many models and brands of binoculars in the market today. But if you are just a beginner with binoculars read this article and you will know what is best for you.

Table of Contents

Nikon Monarch 5 8×42 and 10×42 are two different models from the Nikon Monarch edition. They are great binocular for watching birds early in the morning or in mid-morning. Nikon Monarch 5 is one of the best selling brand models of Nikon company because both hold a great feature and low cost of the product. It is most recommending for middle-cost birding binocular. Nikon Monarch 5 is 100% waterproof, they are fog proof as well as shockproof made of the rubber-armored coating. It can stand all the bumps and bruises as it rides in your vehicle and carries them through all sorts of outdoor terrain.

Comparing Nikon Monarch 5 8x42 and 10x42

Nikon Monarch 5 ATB personal binocular comes with an ocular and objective lens cap that is attached to the binocular lens. The eye cap is a moving lock for the person wearing eyeglass for easy use. The best helpful acclaim to watch bird and nature is the Nikon Monarch 5 with model 8×42 and 10×42 due to its field of view and its density that is heavier with bigger lens size.

It Has More Steady on the Image

Most of us humans have shaky hands. The magnifier of the binoculars increases not only the size of the view, however the seeming shakiness. The more you increase the magnifier the more the image is shaking around. In any case, the benefit which comes that makes the image bigger just gets affected by the shaking of the hands. In this way, people want to see more details with the lower 8 power magnifier.

Spacious Field of View

The OFV of 8×42 is wider than 10×42 which provides the best to find birds more easier in your binocular. The Monarch 8×42 has a 330ft field of view where you can have a farther view and clear view of nature and birds. While the 10×42 has only 228ft of the field of view where it cannot reach farther. Meaning 8×42 is the best OFV because of its wider range of birding and nature activities. There is a laboratory that created this model as better binoculars for bird watching in the middle price area. While 10×42 is a bit expensive because of the magnifier is higher than 8×42 however its FOV is narrower and has less corresponding brightness.

Greater Eye Relief

More binocular models, eye-relief is needed to consider when buying one. In this case, 8×42 has a greater eye-relief than 10×42. This condition of eye-relief matters for people who wear glasses. For a person wearing eyeglasses, the minimal eye relief is 16mm however it is best to have a binocular with 17mm to 20mm of eye relief. 8×42 has 19.6mm while 10×42 has 18.4mm. However, if you are not wearing eyeglass you can both choose either of the two models.

Nikon Monarch 5 8×42.

Advantages of Nikon Monarch 5

As mention above, both model 8×42 and 10×42 has its advantages that you can choose to buy through 10x is a bit expensive than the other. Nikon Monarch 5 created with a premium extra-low dispersion glass clearer and better for the field of view. Both lenses of the two models are fully coated to give the best light transmission. With the price, Nikon Monarch 5 is more affordable than other binoculars but it gives a good quality viewing for the outdoor enthusiasts. However, price changes anytime but it will not be higher. Monarch 5 offers lightweight binoculars. Nikon Monarch 5 8×42 weighs 590g while 10×42 weighs 601. The lightest binocular is 18×42 which will not wear you out while having your outdoor activities. However, the dimension of the two is all the same with 14.5 x 13 x5.3cm. So 8×42 is the lightest in Monarch 5.

Disadvantages of Nikon Monarch 5

There is no perfect product that you can buy in the market. All of the products don’t suit all the people because we have all the different tastes in every product. In this case, Nikon Monarch 5 has a disadvantage which you will know in this article. The main disadvantage of Monarch 5 is the total feature of its glass. Though this brand has ED glass, there are different features of glass that the company owner uses. Though this is affordable the company cuts other materials like the lense. You will see in the glass they use.

Nikon Monarch 5 10×42.

How to Use the Nikon Monarch 5?

The Nikon Monarch 5 binocular is middle-level binoculars it brings great new upgrades it makes a great asset in any optics arsenal. The housing is sturdy and rubberizes armor coating that provides a solid grip even when wet. These compact binoculars are well fit in your hand or on the tripod. The overall size of this is 5.7 inches high by 5.1inches wide. It is built with a single hinge which shall produce the way this cingle binocular and a tip to scale of 21.6oz. All lenses are all multi-coated to achieve the greatest brightness which is good to edge to edge clarity. 8×42 and 10×42 Monarch 5 is much greater use for beginners because of perfect balance since higher magnification can be difficult to use without steady hands and no prior experience.


However, to get the most binocular you first need to properly calibrate your vision. Each of us has a different focus so every time uses new binoculars you should do the following adjustment. Adjust the barrel by making sure you adjust properly that will fit your eyes. About the eyecap, if you are wearing an eyeglass you need the eyecap roll down but if you are not wearing an eyeglass keep its roll-up. Set the diopter that is placed at the right side of your eye to adjust each eye. Choose a stationary spot about 10 to 15 meters away from your choice view then check the right eye to determine the right focus on the image. Once you reach the right focus remove your hand from the diopter. So both eyes have the right focus and you can enjoy the beauty of nature and all kinds of birds.

Point of View

With the above good information about eh two models of Nikon Monarch 5, it gives us an idea as a beginner what to use. Both models have almost the same quality but particularly the best choice is the 8×42 Nikon Monarch 5 because of its wide field of view and with great eye relief it provides to our eyes and focuses on the image we are looking at. Most people love 10×42 because of its great value which is better than average optical quality and build quality for the price range. The clarity is well worth the price. Buyers of the Nikon Monarch 5 on both models are satisfied because of the complete accessories they receive. With a few dollars to add you can also have the sturdy and rubberize bag and a strap for more convenient and secure while using the binocular. With the use of its bag, you can securely keep your binoculars in your safe place.


In the end, these two models of Nikon Monarch 5 are both good for new and more experienced people. If you are searching for the best binoculars with a better optical performance at an ideal cost. 8×42 and 10×42 binoculars model are worth to buy. You can take them to your nature observation, for bird watching and other nature adventure. For lightweight binoculars, these two models are the best and perfect selection to own. Because of its lightweight, you can go around the field without hurting the back of your neck. They are good for all-purpose in use because of its good wider field of view and longer eye relief. Monarch 5 can be mount with your tripod for a steady view and perfect clear vision of the images.


In summary, Nikon Monarch 5 8×42 and 10×42 binoculars are the most famous among users. The overall features and the affordability of its cost. It is also good for beginners because of its perfect magnification. Also, the weight that this binocular has. Unlike other brands, it is not heavy to carry while searching or looking at the images you want to see with the binoculars. So to acquire one you can buy it anywhere on the online shop platform even in other shops at a great price. Remember every store or online shop offers different prices so better to find the best shop. Enjoy your new binoculars.

Our Research Process

Our curated list of products has been provided to you by our experienced team of researchers and writers at Ballachy who have tested and scrutinized product recommendations on the market. Our experience in the field, in-depth research and hands-on approach has allowed us to objectively analyse products for years and continuously providing value for buyers who are looking to get accurate and unbiased reviews. If you would like to know more about our research methods, we welcome you to visit our page here detailing how our recommendations are done. Furthermore, as we are always looking keep our guides updated and welcome any feedback from readers regarding different experiences or recommendations to adjust our list. If you consider that we have missed on some important recommendations, please let us know here, so we can add-on any valuable feedback.

Author Profile

Gabriel Tackett
Gabriel Tackett is an experienced shooter and hunter for over 15 years with a degree in Engineering from the University of Minnesota. He is also a certified National Rifle Association (NRA) officer for 10 years And his passion lies in teaching others how to safely enjoy the hobby by recommending the best practices & products in the gun industry.