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
In binoculars and optical instruments, the use of the right glass is crucial to the quality of the produced images. High-quality and specially processed glass prevents light scattering, unwanted reflections, and color fringing caused by different refraction of light of different wavelengths. Which glass do you need for binoculars? Normal glass as everyone knows it … 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
Fog and waterproof binoculars are perfect for anyone who has to deal with really bad weather, extreme temperature fluctuations, and high humidity environments such as jungle or on the ocean. Waterproof binoculars guarantee functionality in virtually any weather condition. The water and fog proofing not only protects binoculars against rain, but against any kind of … Read more