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Nikon Monarch 3 8×42 and 10×42 Binoculars – Review

In the previous post about Review Nikon Monarch 5 Binoculars, I said Monarch 5 is the best binoculars under $500 (they are from $300 – $350). However, that’s still a big money with many beginners so I think you can save a bit (about $70) with Nikon Monarch 3 Binoculars, while the quality is not  significantly lower.

Monarch 3 is not a pair of binoculars I’m using but based on the sharing of my friends (hunters, birdwatchers,…) and a lot of great reviews on Amazon, I can tell you that Nikon 7540 MONARCH 3 Binoculars is one of best products under $200

Nikon Monarch 3 8x42 and 10x42 Binoculars

The features in optic and construction are very impressive and totally comparable to the Monarch 5:

– Optically:

+ High Reflective Silver Alloy Phase corrected prisms (which replace the old Monarch’s dielectric roof prism coatings). This helps eliminate the degradation of the image caused by different light phases reflecting in the binocular, significantly improves low-light performance (about 7%+ according to Nikon). With users often work at dawn or dusk (birders, hunters), even night (astronomers), good low-light performance is very important.

+ Fully Multicoated – all lens surfaces are multicoated with anti-reflective coatings – makes images very bright, sharp and even better low-light capabilities.

Good features in optic allow you to read each letter on cover of a book at 50 feet (15m), even under low light condition.

– Polycarbonate Body – designed to be rugged and durable. They’re also 100% waterproof and fogproof, allow you use under difficult weather conditions. The Monarch 3 Binoculars have same size (L&W) as Monarch 5’s (5.7×5.1 inches) but 7 lb lighter weight so they “feel good” in hands and are a bit easier to hold steady and focus.

My friend, a traveller, he’s using a Nikon Monarch 3 8×42 as most favorite binoculars. He told me in a trip to Vietnam 2 years ago, he dropped them and they rolled down over hundred feet of jagged rock. He thought “I will buy a new one”, but when he back hotel and pulled them out to check. Unbelievable! They were still clear and crisp as when pulled from the mail.

– Very long eye relief (17.4 to 24.1mm) and Slide Eyecups can be easily adjusted for greater eye relief. This’s very very great for eyeglass wearers.

– And the Unmatched Warranty of Nikon –  25 year No Fault repair or replace warranty (have you ever heard it?!). With most Nikon’s Binoculars, include this Monarch 3, warranty period is up to 25 years. Even your binoculars was not covered by this Warranty, They will also repair or replace them (even the faults were your) for just $10, plus return shipping and handling. Too great!

Nikon binocular reviews

About cons, similar to Nikon Monarch 5, Monarch 3 nearly has no significant con. There are few complaints I read in over 200 Reviews as:

“They’re too heavy. I ordered one pair but returned instantly!” I think this’s absolutely not a con because the weight was written clearly on the page of product. If does not like them, he (or she) can pick other one instead of ordering then returning them and complaining. In addition, 1.3 lb (0.6 kg) is popular weight of binoculars in this price-range.

“I’m a traveler and bought a pair of Nikon Monarch 3 10×42 binoculars for traveling. But I was very disappointed. They were too shake and I couldn’t focus on anything.”

I can be sure the owner of this review is a beginner because the shakiness is not fault of binoculars but that’s problem of all high magnification binoculars. If you up the magnification you also increase the problem of shakiness. A mistake of beginners is just getting biggest magnification as possible to see more. This is wrong!

Usually, experienced ones do not use 10x binoculars for traveling or hunting because they’re difficult to hold steady and focus after moving much. Instead, 8x pairs are more suitable. You should also consider magnification before purchase:
8x magnification is quite a lot, but shake isn’t too bad, depth of field and field of view are pretty good. 8x binoculars are suitable for bird moving watching, sightseeing, hunting,… which have to move much.
10x binoculars are usually used for watching slow birds, sightseeing in good light. 10x binoculars are also good choice but require a bit more technique and steadiness.


Clearly, these “faults” above are not from Nikon Monarch 3 Binoculars but from inexperience of users, so they still have no significant con. The following is the overview for pros and cons of Nikon Monarch 3 binoculars:

Excellent quality for price
High Reflective Silver Alloy Phase corrected prisms
Fully Multicoated
Polycarbonate Body –  – designed to be rugged and durable
Very long eye relief (17.4 to 24.1mm) and Slide Eyecups
Unmatched Warranty of Nikon up to 25 years

Cons: No significant con

Nikon binocular reviews

The Monarch 3 although is not “perfect” like Monarch 5 as well as does not appear in my list of 4 best Nikon Binoculars, but it’s still extremely impressive product, especially in this low price-range.

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