Review of the NIKON ACULON A30 10×25 binoculars - 95 euros to start your new passion with satisfaction

PREMISE

Within the wide range of Nikon binoculars, I hadn't yet had the opportunity to test a compact model. Thanks to the collaboration with Nital, the official distributor of Nikon products in Italy, I had the pleasure of testing the Nikon Aculon A30 10×25 binoculars in the silver version for a few weeks, offered at the advantageous price of 95 euros and with a ten-year warranty. As always, in this review and the accompanying video, we'll explore the features, strengths, and weaknesses of these binoculars, as well as my personal impressions from the field. Enjoy the review and the video!

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TECHNICAL DATA DECLARED BY THE PARENT COMPANY

 

Model	Nikon ACULON A30 10×25
Enlargement	10x
Lenses (mm)	25
Glass composition	ECO GLASS
Exit pupil (mm)	2.5
Eye relief (mm)	13
Minimum focusing distance (m)	3
Actual field of view (°)	4.72
Apparent field (°)	47.2
Relative brightness	6.3
Interpupillary distance (mm)	56-72
Diopter adjustment	Yes
Optical hull composition	polycarbonate
Prism Type	roof
Waterproofing	No
Dimensions (cm)	122x115x44
Weight (g)	275
Price (Euro VAT included – NITAL)	95
Official Website	https://www.nikon.it/it_IT/product/sport-optics/aculon-a30-10×25

 

ACCESSORIES SUPPLIED

 

The standard accessories included in the attractive black box with yellow Nikon logos and a black ten-year warranty sticker in Italian are truly comprehensive. Inside, you'll find a multilingual instruction manual, warranty certificate, a small carrying strap, eyepiece caps, and an extremely compact, scratch-resistant, and waterproof Cordura soft case. The latter also offers the convenience of being clipped to a belt or, if preferred, to a backpack strap.

MECHANICS AND FIRE SYSTEM

The Nikon Aculon 10×25 consists of two small optical tubes connected to the central bridge via a double hinge system. This design allows the binoculars to be extremely compact when closed. The optical tubes are protected by a soft, non-slip rubber armor. My electronic scale recorded a weight of 280 grams without caps and strap, distributed on 122 mm x 115 mm x 42 mm. As anticipated, it is available in both silver and black finishes. I must admit that the silver gray area of the central bridge gives a touch of elegance to these binoculars. Nikon does not specify the level of waterproofing and, given the price range, I assume it doesn't have O-rings or nitrogen filling. Therefore, caution is advised when using it on rainy or humid days.

Despite its small size, These binoculars fit well in the hand thanks to the length of the optical tubes and the side recesses that provide a solid base for the hand. You can rest your thumb on the lower part of the bridge, and there's enough room for three fingers on the central bridge if desired. The small knob, protected by a knurled rubber, is conveniently positioned. In practical use, I never needed to tilt it to adjust focus. The internal focusing system is smooth, without play, and offers a fairly precise snap test.

 

 

Model	Weight	Dimensions
Nikon ACULON A30 10×25	280 g	122 mm x 115 mm x 42 mm.

 

The minimum focusing distance I achieved is similar to what the manufacturer claims, around three meters. You need to rotate the knob clockwise a little less than a full turn, approximately 320 degrees, to reach infinity. The adjustment on the right eyepiece is done by rotating the rubberized lens hood that protects the eyepieces. This mechanism does not have a safety lock, but requires a certain amount of force to turn, preventing accidental movement.

 

Model	Minimum focusing distance	Direction of rotation	Reaching infinity from the minimum distance
Nikon ACULON A30 10×25	3 m	hours	320°

 

OPTICS

Goals

 

Eyepieces

When expressing my impressions on eyepieces, it is important to always consider the price range in which the binoculars are placed.. The Nikon Aculon A30 10×25 does not benefit from eyepieces with a large diameter field lens, therefore, it is necessary to be careful during cold winter days to avoid the risk of fogging when bringing your face close to the eyepieces.

However, I really appreciated the quality of the rubber on the lens hoods, which is soft and allows them to be lowered completely to meet the needs of glasses wearers. This is an important factor to consider when choosing your first compact binoculars. Nikon claims an eye relief of 13 mm; I personally measured the distance between the first field lens and the edge of the lens hood, obtaining 13.50 mm. Thanks to the double-hinged design, the interpupillary distance can be adjusted very widely, limited only by the shape of your face and the width of your nose. This allowed me to use the binoculars comfortably and even have five- or six-year-olds use them without any problems. The easily achievable minimum interpupillary distance makes these binoculars suitable even for children. Nikon declares a usable interpupillary distance of between 56 and 72 mm. At a distance of 62 mm, the distance between the eyepieces is approximately 27 mm.  

The Nikon Aculon A30 10×25 offers a linear field of 87 m at 1000 m, compared to 105 m for the 8×25 version. We therefore obtain 4.98° which, when multiplied by the magnifications, leads to an apparent field of almost 50°. These are obviously not wide-angle binoculars, as one might expect in this price range.

 

Prisms

When analyzing the exit pupil of inexpensive binoculars, you usually encounter some problems. However, I can confirm that I appreciated a circular exit pupil with minimal light fall-off at the edges. The presence of stray light and edges is also remarkably low, as I've observed more expensive binoculars with greater problems in this regard. As for the prisms, their composition is not stated, but I assume they are BAK-4 glass.

Anti-reflective treatment

They have been applied multilayer treatments on every optical surface, when often, in this price range you only benefit from single-layer coatings. Well done Nikon.

CHROMATIC AND GEOMETRIC ABERRATIONS

 

Chromatic aberration at the center of the field

My practical field tests revealed that These binoculars could easily be defined as “HD”, since in the centre of the field, under normal lighting conditions, the residual chromatism is remarkably low. I also performed a demanding test that I now call standard, using a white gazebo, as you can see in the video, and it confirmed my impressions. Of course, testing it in the worst lighting conditions can reveal a slight residual color, but honestly, nothing that would be considered disturbing.

Lateral chromatism

Lateral chromatic aberration is also minimal, only noticeable towards the edges of the field, where a slight spurious green-purple halo can be seen on brighter images.

Field curvature

NAlthough it is a wide-angle binocular, it has the advantage of containing the field curvature very well.. During observations at medium, short, or long ranges, I did not observe any degradation at the edges, even when observing challenging details such as the markings on a crane located about 250 meters from my position. I would therefore dare to confirm that these are binoculars with an almost perfectly flat field up to the edge.

Angular distortion

Pincushion distortion is also minimal, noticeable only towards the 80% of the field of view, a percentage lower than the average of compact binoculars in the same price range that I have tested in past years.

Other aberrations

Given their size, they're certainly not binoculars suitable for satisfactory astronomy. However, knowing that stargazing is a very selective test for any optical instrument, I decided to examine the sky with the little Nikon as well. I can confirm that towards the 80% starting from the center of the field, it is possible to perceive coma and astigmatism on the brightest stars. 

 

USAF CHART TEST AT 35 METERS

FIELD TEST

Birdwatching

As for birdwatching, The advantage of these binoculars is their compactness, which allows you to practice your passion even in situations where it would not be practical to carry bulkier binoculars. The Nikon ACULON A30 10×25 has proven to be a faithful observing companion, allowing me to observe even in circumstances where I would never have thought to do so. Thanks to its small size, it fits easily in a pocket or a small compartment in a backpack, so it's always ready and available. Its magnification, when observed during the central hours of the day, never disappoints.

The focus travel, of course, is not as fast as that of dedicated binoculars, and its brightness is not comparable either. However, the good containment of chromatic aberration, in proportion to its price, and the discreet sharpness make it a binocular that can also be used in this sector, even if we are not talking about binoculars from the MONARCH HG or EDG series.

Landscape observation

Landscape observation is the natural habitat of these binoculars, and in this case it has several positive features that make it suitable for most beginners. First of all, Its compactness is a strong point, together with the ergonomics that allow you to hold it with stability. This is an important factor in the compact binocular sector, where an 8x25 model is often more manageable than a 10x25. Combining these factors with what has already been highlighted—good chromatic aberration control, decent sharpness and contrast—it becomes clear that it could be a valid hiking companion even for those who have never considered purchasing compact binoculars to include in their usual gear for classic family outings or even for more challenging hikes.

Astronomical observation

As far as astronomical observation is concerned, it would be quite absurd to confirm that this format is the excellencea. In fact, observing the sky with a 10x25 seems more like a compromise, especially if you've spent a whole day in the mountains and want to observe that starry sky a bit after dinner inside the refuge. In this context, it certainly doesn't disappoint, in the sense that the tenx magnification allows you to observe the lunar surface and the differences in shape and color between maria and craters, or the differences in conformation between the Alps and the Apennines, in reasonable detail. I was also able to see, albeit with some chromatic aberration, Jupiter with its four Galilean satellites, without obviously perceiving any detail within the planet's surface. Furthermore, from a good sky, although the exit pupil isn't formidable for this kind of observation, it surprised me by showing me the shape of the M42 nebula within the constellation of Orion, as well as other important celestial objects such as the Pleiades and the Hyades.

PROS AND CONS

 

In summary, I believe the Nikon Aculon A30 10x25 compact binoculars offer an excellent observation solution for young people who want to get started with nature observation and who prefer using compact binoculars. Over the weeks of using them, I've found them to be a tool that doesn't disappoint, especially considering their affordable price and 10-year warranty, as well as the brand's reputation, which can guarantee a good resale potential on the used market. They could be called "HD" binoculars thanks to their good chromatic aberration control for their price range. I particularly appreciated the ergonomics, which made it easy to use them freehand, something I often can't do with other 10x25 binoculars.

 

PRICE AND WARRANTY

The Nikon Aculon A30 10×25 binoculars cost €95, VAT included, and benefit from a ten-year warranty provided by the official distributor Nital.

THANKS

I thank Marco Rovere and Fabrizio Gillone of Nital for providing the unit for this review, allowing me, as always, to express my impressions impartially. I remind Binomania.it readers that every company that sends products for review signs a journalistic impartiality agreement, granting me the freedom to express myself without any restrictions.

DISCLAIMER

Binomania is not a store. On my website, you'll only find reviews of sports, photography, and astronomy optical products. My opinions are impartial, as is the duty of any journalist, and I do not take any percentage of any sales from any product purchases. Therefore, if you'd like to purchase or have information on any price changes or new products, I recommend visiting the official website.  by NITAL By clicking on the banner, which is the only form of advertising in this article. Thank you.!