
Nikon has earned a remarkable reputation for manufacturing top-notch optics, and their Nikon Action Ex Extreme 8×40 binoculars are a testament to their commitment to quality. These binoculars are specifically designed to deliver outstanding clarity and performance, making them a popular choice among nature enthusiasts, birdwatchers, hunters, and outdoor adventurers.
In this comprehensive article, we will conduct an in-depth review of the Nikon Action Ex Extreme 8×40 binoculars, emphasizing the key features, specifications, advantages and disadvantages, as well as their primary applications. Our aim is to help you make an informed decision when selecting a pair of binoculars that perfectly suits your outdoor pursuits.
Currently, you can pick up a pair of the Action Ex Extreme’s for an absolute bargain.
- Waterproof, fogproof, and shockproof performance
- All-metal chassis in lightweight polycarbonate shell
- Rubber-coated body for firm, non-slip grip
- Magnification: 8x
- Objective lens: 40mm
With precision-aligned optics, and multicoated prisms for low light optimization, these binoculars are ideal for all conditions and both dawn and desk.
Combine these features with Nikon’s 25-year limited warranty, you can rest assured that these are a solid piece of equipment.
Nikon Action Ex Extreme Video Review – Watch Below
Are the Nikon 7238 Action Ex Extreme 8×40 Binoculars comparable to other models in their price category? And, what distinguishes this product from others in the same price range?
In this article, we’ll perform a detailed review of these Nikon Extreme Binoculars, where we’ll delve into their key characteristics, benefits, and drawbacks to help you make an informed buying decision.
Nikon Action Ex Extreme Binoculars Specifications






Main Usage For The Nikon Action Ex Extreme 8×40 Binoculars
The Nikon Action Ex Extreme 8×40 Binoculars are well-suited for a range of outdoor activities. They are particularly ideal for birdwatching and hunting, providing excellent clarity and a wide field of view. These binoculars can also be used for attending concerts or sports games, offering a closer view of the action.
While they may perform slightly less effectively in low-light conditions, they still offer decent performance in twilight or dusk situations.
To make the most of these binoculars, use proper hand-holding techniques, adjust the focus and diopter settings, and take advantage of their durable and weatherproof design for outdoor adventures.

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Glass/Lens
The Nikon Action Ex Extreme 8×40 Binoculars feature high-quality glass and lenses, as well as prisms, contributing to their excellent optical performance. The lenses incorporate multiple layers of anti-reflective coatings to enhance light transmission, resulting in clear and vibrant images. The Eco-Glass used in these binoculars is lead- and arsenic-free, making them environmentally friendly2.
The binoculars employ Porro prisms, which are known for providing greater depth perception and a wider field of view. This allows users to observe a larger area without having to move the binoculars as much. The prisms of the Nikon Action Ex Extreme 8×40 Binoculars are also coated with phase correction coatings, which help to enhance image resolution and contrast.
Pros:
- Exceptional optical performance with high-quality glass and lenses.
- Multi-layered anti-reflective coatings improve light transmission and image clarity.
- Eco-Glass construction promotes environmental friendliness.
- Porro prisms offer a wider field of view and better depth perception.
- Phase correction coatings on prisms enhance image resolution and contrast.
Cons:
- These binoculars might not perform optimally in extremely low-light conditions compared to some higher-end models.
- They may be slightly heavier and bulkier compared to compact binoculars, which could affect portability for some users.
Overall, the Nikon Action Ex Extreme 8×40 Binoculars offer excellent optical performance and a wide range of features considering their price range. They are a popular choice for outdoor enthusiasts seeking reliable and high-quality binoculars for various activities.
Magnification
These Nikon binoculars offer an 8x magnification level over a 40mm objective lens.These create an excellent wide field of view, that is perfect for viewing a large area, with ample magnification to bring detail into focus.
With a smooth central focusing knob, you can easily keep your points of interest in focus, delivering and optimal viewing experience.
Image Quality
The image quality of the Action Ex Extreme binoculars is surprisingly high.Precision-aligned optics with dielectric high-reflective multilayer prism coatings ensure delivery of brighter and sharper colors, as well as drastically improving low-light performance.
There’s also a convenient quick, smooth central focusing knob as well a diopter control to regulate vision imbalance.
All these factors combine to create an image quality far above the recommended retail price.
Eye Relief
The Nikon Action Ex Extreme 8×40 Binoculars offer an eye relief of 17.2mm, a measurement that refers to the distance between the ocular lens and your eye. This generous eye relief ensures a comfortable viewing experience, particularly for eyeglass wearers. With an eye relief of 17.2mm, these binoculars should provide adequate space for eyeglasses, allowing users to enjoy clear and immersive views.
However, individual preferences and the specific eyeglass prescription can vary, so it is always recommended to try using the binoculars with your own glasses to ensure the best fit and vision.
Pros & Cons of the Nikon Action Ex Extreme 8×40 Binoculars
Based on customer reviews and feedback, here are some common likes and dislikes about the Nikon Action Ex Extreme 8×40 Binoculars:
Likes:
- Image quality: Many users appreciate the clear and sharp image quality provided by these binoculars, especially considering their affordable price point.
- Durability: Users find these binoculars to be sturdy and well-built, able to withstand various outdoor conditions.
- Low-light performance: The binoculars are often praised for their ability to gather enough light in low-light situations, making them suitable for activities like stargazing or wildlife observation at dusk or dawn.
- Wide field of view: The wide field of view (FOV) allows users to easily observe moving objects or panoramic views without needing to constantly adjust the binoculars.
Dislikes:
- Weight: Some users find these binoculars to be slightly heavy, which may cause fatigue during extended use.
- Eye caps: Several users have mentioned that the eye caps could be more securely attached, as they tend to fall off or get lost easily.
- Focus adjustment: A few users have stated that the focus knob can be slightly stiff and requires some effort to adjust precisely.
- It is important to note that these likes and dislikes are subjective and may vary from person to person. It is always recommended to read multiple reviews and consider your specific needs and preferences before making a purchase decision.
In conclusion, this is a more than capable pair of binoculars for the beginner right up to the upper intermediary binocular users. Ideal for bird watching, and durable enough to take on the more active of hikes.
With excellent image quality and exceptional performance in less-than-ideal lighting conditions, these binoculars have a lot to offer. As usual, though, this pair is not without fault. In this case, where much of the build is rugged and durable, the eyecups are flimsy and may come off along with the lens caps.
This is important, as the eye cups really govern the comfort felt when using the binoculars. However, if you are willing to take a risk on this pair of binoculars, you will be repaid in image quality and low-light performance.
Try These Nikon Action Ex Extreme 8×40 Binoculars
- Stabilized Technology: The Nikon 10×25 S STABILIZED Binoculars significantly reduce hand movement vibrations by 80%, ensuring a steady, shake-free viewing experience, even for distant subjects. Perfect for wildlife watching, stadium events, and concerts.
- Compact & Travel-Ready: Weighing just 395g, these compact binoculars feature a fold-up design and a rubber-coated grip, making them perfect for long use without fatigue. It ensures you can enjoy nature exploration, birdwatching, hiking, travel, sports, or theatre with ease.
- Optical Excellence: Featuring high-performance multilayer lens coatings and high-reflectivity silver-alloy prism coatings, this binocular set provides brilliant, clear visuals with reduced glare and enhanced brightness.
- Long-Lasting Battery: Powered by two AA batteries for 12 hours of continuous use, with an auto power shut-off after 60 minutes to preserve battery, these spectator binoculars are always ready for any extended event or outdoor excursion.
- Included in this bundle: 4 Pack of AA Batteries, Harness Strap, Cleaning Kit & Microfiber Cloth
- See the outdoors up close in bright, lifelike color thanks to fully multicoated lens and prism system
- Carry the PROSTAFF 5 with you on every adventure without fatigue thanks to the lightweight, fiberglass-reinforced polycarbonate resin construction
- The PROSTAFF 5’s retractable eyecups and long eye relief provide a comfortable view for everyone, even when wearing eyeglasses
- Rangefinder Binocular with 10-1900 yard range
- Reflective Target 1900 yards Tree 1400 Yards Deer 1100 Yards
- Incline/Decline Technology. FOV at 1000 yards: 320 feet
- Display in .1 yard increments to 100 yards / 1 yard increments over 100 yards
- Bright and clear red OLED display with 4-step intensity adjustment
- For larger binoculars, this harness disperses the weight across your upper back and shoulders, taking the load off your neck
- Holds binoculars securely against your chest
- Elastic shoulder straps have a secure, quick release connection designed to move smoothly and easily up and down the straps for quick access
- Stabilized Technology – Counteracts vibration caused by hand shake.
- Compact and Lightweight – STABILIZED 10×25 S look and feel like traditional compact binoculars. Their dual-hinge body is comfortable to hold, easy to adjust and foldable to fit in a pocket.
- Large, Central Focus Knob – Ensures quick, precise focus adjustments.
- 12 Hour Battery Life – 2x AA batteries
- Multilayer coating is applied to all lenses and prisms while high-reflectivity silver-alloy mirror coating is applied on the reflective surface of the auxiliary prism to achieve a bright field of view