What Makes a Good Quality Thermal Monocular?

by Night Vision 4 Less Owner

Thermal monoculars are quickly becoming the most popular night vision device available on the market. Over the past decade, thermal monocular has followed closely the mobile phone in terms of development.  

The units come with higher specifications and more functional features. The design has become more durable and compact and the overall quality has improved substantially. While the mobile phone technology has emerged its price thermal imaging has dropped, making thermal an affordable personal device.

So, what makes a good quality thermal monocular?

Refresh Rate

Basically, the refresh rate of a thermal monocular is the frequency at which the image is refreshed on the screen. The refresh rate is expressed in “Hertz” and the common refresh rates will be around 9Hz, 30Hz, 50Hz and 60Hz. The higher the “Hertz”, the more often the image is refreshed.

If you are looking to buy a recreational camera to explore the outdoors, trick down game or just have fun with, a 9Hz will be all you need. If you don’t want to scan or change views quickly, a lower refresh rate is more than suitable.

When it comes to high quality models, the refresh rate becomes increasingly significant for the user’s experience. You should consider 30Hz or high for anything above amateur use, like professional hunting or contract shooting.

Size of the Lens

The lens of a thermal monocular plays a key role in determining the maximum detection distance. The distance of detection can vary between 90 meters to over 1.5km. The size of the lens can range from 9mm to 100mm and the general rule of thumb is bigger is better.

Though the lens being larger may increase the detection distance, it narrows the Field of View (FOV). For instance, a 38mm lens will provide you a FOV of 19.5’ x 14.7’ while a 50mm lens minimizes FOV to 7.5’ x 5.6’. With this thing in mind, it’s quite important to choose a monocular that offers you a sufficient detection distance and suits your requirements in terms of Field of View.

It’s important to consider the quality of image versus the distance provided by lens sizes and sensor resolution. You should consider what is right for your personal use and make a well-informed decision.

Durability, Warranty and Reputation

Not all thermal monoculars are created same. Though the cost of the units has minimized significantly over the last few years, they are still a good investment. It’s really important to choose a unit that will not only provide you with excellent image quality, but is also reliable and durable.

 A thermal monocular should be fully functional over 10 years after the purchase date as long as it’s cared for properly. Most manufacturers guarantee long life; but you should be sure to shop around for the products with substantial warranties.

Please remember that, the reputation of a manufacturer is important while buying a thermal monocular. There are a few important things you should consider about a brand before making a purchase:

· Do they provide warranty?

· Do they have a point of contact?

· Do they provide instant response?

Final Consideration –

Do a thorough research on thermal monoculars available for sale online. You should make a right selection for your night vision requirements and preferences.

Author Information –

This article is written by Night Vision 4 Less, which specializes in providing night vision devices of different kinds including thermal monoculars at affordable prices.

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About Night Vision 4 Less Junior   Owner

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Joined APSense since, July 22nd, 2019, From Elizabeth, United States.

Created on Jul 22nd 2019 04:58. Viewed 253 times.


William Brown Junior  Outdoor Expert
Nice article! Need to keep this one handy
Sep 19th 2019 08:21   
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