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Bushnell was founded by David P. Bushnell over 50 years ago. Today, the company’s headquarters are in Overland Park, Kansas. Bushnell stands for good quality at affordable prices and is today the market leader for optical systems in the USA. The large selection of Bushnell binoculars and sports optics allows nature and sports lovers to chooses … Read more
Do you enjoy nature, birding, sporting, stargazing, and other outdoor adventures? A pair of binoculars is a must-have for an outdoor enthusiast. Binoculars come in different types, sizes and with various specifications and features to best match your requirements and your wallet. You can choose for particular gazing such as bird watching binoculars, long-range binoculars, … Read more
The eye relief in binoculars is the distance between the eyepiece lens and your eye. More precisely, it is the distance at which the projected virtual image “hovers” in the front of the eyepiece. When the observer’s eye is exactly at this point then the projected virtual image will be perceived optimally and completely in … Read more
The exit pupil of binoculars is the diameter of the light beam that exits from the eyepiece of the binoculars. You can see the exit pupil if you aim your binoculars or telescope at a bright background. Looking at the eyepiece from a distance, you will see the exit pupil as a round disc of … 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 using a set of lenses that are cleverly arranged to magnify distant objects and make them appear closer and larger. Prisms reverse the inverted images of the lenses and reduce the length of the binoculars by redirecting the light path. How Do Binoculars work Binoculars work on the principles of optical laws, precisely by … Read more
In binoculars and optical instruments, the use of the best optical glass types is crucial to the quality of the images displayed. 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 … 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 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 absorbs … Read more
One of the most common uses for binoculars is bird watching. To enjoy bird watching, the binoculars should meet a few requirements. Birdwatching binoculars should be easy to handle, compact, and light in weight they need to be quick and easy to focus, and most importantly: produce clear and detailed images that are rich in … Read more