12x25 Compact Binoculars with Low Light Night Vision, Large Eyepiece Waterproof Binocular for Adults & Kids,High Power Easy Focus Binoculars for Bird Watching,Outdoor Hunting,Travel,Sightseeing

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While these optics work well enough during the day, they are not very useful as night-time optics (you’ll want to look into night vision goggles if you want something with built-in infrared illuminator). Nonetheless, color distortions are hardly noticeable during the daytime. These binoculars are suitable as all-around binoculars for anyone who wants to see far stuff a little closer, without expecting great optical performance. The low price makes them particularly attractive for beginners or nature lovers who leisurely want to observe wild animals, scenery and nature, or sporting events.

I have to admit that I was really amazed when I was looking first through the Mksutary binoculars, I expected worse. Of course, it’s nothing earth-shattering, and even if the optical performance leaves a lot to be desired, for so little money, you can not ask for more. Are They Worth It? When you hold the binoculars in your hand for the first time, the thing is more compact than expected. Well, it’s 12×25. It’s very light, just under 10 ounces, and has grippy rubber armor on what appears to be a polycarbonate chassis. Mechanics The size of the exit pupil is the result of dividing the diameter of the field of view by the magnification. For instance, with the 12×25 binoculars, the size of the exit pupil is approximately 2mm. This is low compared to a pair of 8×42 binoculars whose exit pupil is 5.25mm. This number indicates the size of the shaft of light that gets to your eye. The exit pupil also determines the amount of light that gets through the optics. A higher number means brighter images, which is especially useful in low-light conditions. A higher number also means that the object will still be bright, even if your hand shakes. The fold-down eyecups fold down and stay down (unlike on the National Geographic 6x21 binoculars we reviewed). In fact, they are a little too easy to fold. We found it frustrating that any pressure applied to the eyecups when looking through them encouraged them to fold down. A little more resistance would be appreciated to prevent accidental folding.The foldable eyecups of these binoculars make them suitable for most users, including eyeglass wearers and kids. Moreover, they are made of soft rubber, ensuring you a comfortable glassing experience for prolonged hours. You can easily adjust the eyecups according to your pupil distance, but for some users, these optics’ interpupillary distance (IPD) is not wide enough. Comparing it with other binos, ist not 12x, more like 10x magnification. But no matter, for a 25 mm lens an 8x to 10x is enough anyway. We found the Occer 12x25 compact binocular eyecups a little too soft and they folded even with the slightest pressure applied. (Image credit: Tantse Walter)

These binoculars are equipped with a high-resolution BaK-4 Porro prism system and fully multi-coated lens coating. With these features, they deliver a crystal clear viewing experience almost instantaneously. The lenses produce natural colors with little-to-no color distortions. At the same time, they help prevent visual fatigue. There are several factors that determine how far a pair of binoculars can see. With the right binoculars, you can see celestial objects hundreds of thousands of miles away, and you can also see animals a few miles away. A pair of 12×25 binoculars falls in the class of compact binoculars, because the objective lens is less than 30mm (25mm). Factors such as atmospheric conditions, the weather, and brightness will affect how far you can see with the 12×25 binoculars. The Magnification One of the major issues with the Occer 12×25 Compact Binoculars is magnification. Occer says they have a 12x magnification, but this appears to be overstated. If you know your binoculars, you will easily realize that they don’t have a power of 12x. They seem to fall somewhere around the 7x to 8x range. There are quite a few of the 12×25 compact roof prism binoculars mentioned, all of which look pretty much the same and also have pretty similar specifications. When you read the product description, they advertise and promise a lot for very little money. Most of them brag with professional, high performance, FMC, low light, night vision, and so on. The same applies to the color fidelity of the image. With everyday observations, the colors appear a little colder through the binoculars than in reality. But in no way disturbing.The lenses are fully multi-coated. This reduces the reflection and ensures brighter images. Anti-reflective lens coatings are essential, otherwise, modern binoculars with their many lenses would lose too much light so that everything would look quite dark through it. BaK4 was specified in the Mksutary specs, but if you carry out the test just recommended, it seems more like BK7 prisms. If you plan on heavy binocular use and want peace of mind from a Limited Lifetime Warranty, we recommend purchasing from a big brand like Celestron or Nikon. The specs and claims from Occer don't quite match up and we would only know the real durability of this pair after a few months of constant use. A 25mm lens is quite small, but sufficient for daytime observation when there is enough light. Less so when the light is rather weak when it is cloudy or you are out in the shady forest. After all, in a 12 x 25 instrument, the exit pupil is also quite small with just over 2 mm, not very suitable for twilight or at night with only little residual light. The so-often advertised “night vision” does not exist with such compact glasses. An exact specification regarding the eye relief was not given in the product description either. I then just allowed myself an approximate estimate. With the help of a strip of paper and a light source, I get about 10 to 12 mm.

At 12x magnification, this pair of binoculars brings the image 12 times closer than an unassisted eye would. Because the magnification of this pair of binoculars is higher than 10x, it makes steady viewing a challenge. If you are moving, such as on a boat or in a moving vehicle, the binoculars might not be steady enough to allow you to view far away images. Field of View

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The smaller lens diameter means that less light is collected. This is not a problem in daylight, but you cannot use them at dusk or at night. 12×25 produces an exit pupil only 2 mm in size and only little light enters the eye. In low light or at night when the pupils are dilated, large exit pupils are required to see brightly enough. For a powerful pair of binoculars, these optics are surprisingly compact and lightweight. It is rare to encounter models that claim to have a 12x magnification and weigh less than 9 oz each. The problem with this combination is that it is challenging to stabilize the optics. Shaking will likely trouble you more often than you’d like. The Occer 12×25 Compact Binoculars are lightweight, portable, and affordable. They have a BaK-4 Porro prism system and fully multi-coated lenses, delivering clear images with accurate color reproduction during the day. At dawn and dusk, they perform reasonably well considering their price. However, the optical performance of binoculars depends not only on the magnification and the lens diameter but also to a much greater extent on the quality and processing of the optical glass.