The magnification of binoculars is the factor by which an object appears larger and closer. The magnification is an important parameter when choosing which binoculars are the most suitable for an intended area of application. But what is the best magnification in binoculars? Although almost any magnification can theoretically be achieved, there are practical limits … Read more
The eye relief in binoculars is the distance between the eyepiece lens and your eye. To be more precise, at the far end of the eye relief “hoovers” the exit pupil, the place where the projected virtual image appears. Only when the eye of the observer is within this distance can the entire field of … Read more
The exit pupil of binoculars or telescopes is the diameter of the image that is projected in front of the eyepiece. The larger the exit pupil in binoculars, the brighter the displayed image appears and the better the binoculars are in low light . The distance where the exit pupil appears is called eye relief. … Read more
So that you can see correctly and use the binoculars optimally, it is necessary to adjust the instrument to your eyes and focus individually. If the image of the binoculars is out of focus, the brain tries to compensate for the blurred vision and the misaligned images. This can lead to dizziness, headache, eye fatigue, … Read more
Binoculars work on the basis of optical laws, precisely by taking advantage of the properties and the behavior of light as it travels through different media. Let’s take one apart to see how binoculars work, what the essential parts of binoculars are, and how they work together. How Do Binoculars work Binoculars magnify an observed … Read more
The optical glass is where the magic really happens in binoculars, scopes, and lenses. The quality of the glass (and how it’s coated and polished) makes a huge difference in sharpness, brightness, color fidelity, and low-light performance. Best Optical Glass Makers (Lenses & Prisms) Japan — The King of Optical Glass Top producers: Hoya, Ohara … Read more
Prisms in binoculars flip and reverse the virtual image so that you see a true image. There are different types of prisms used in binoculars. One design uses Porro Prisms, the other Roof Prisms. Each type has its own advantages and disadvantages, features, and characteristics. And what are the prisms for anyway? But what is … Read more
Every time when a beam of light travels from one medium into another the beam of light is bent (refracted). An observation you have probably wondered about as a child when putting a straw in a glass of water. When light is traveling through an optical instrument the optical glass of binoculars reflects, refract, and … Read more
If you are relatively new to binoculars and how binoculars work, you need to learn what the numbers stand for, what the different features are, and how all this sets the different binoculars apart. Here are the basics about binoculars explained and how are binoculars rated. When you need to choose a particular pair of … Read more
Going hiking, backpacking, canoeing or just taking your dog for a walk in the woods. When out in nature there may always be interesting stuff to observe. A good pair of small binoculars or a monocular can always be useful to take a closer look at some birds or other wildlife or just to scout interesting stuff … Read more