We have summarised the most frequently asked questions about our products here: FAQs
What is light transmission in a monocular or binocular and how is it measured?
The light transmission in a monocular or binocular refers to the amount of light that passes through the device and reaches the viewer's eye. The higher the light transmission, the brighter and clearer the image will appear.
What do these numbers mean in the description of a monocular 8x25 or a binocular 10x42?
In the description of a monocular or binocular, such as 8x25 or 10x42, the numbers refer to the magnification power and objective lens diameter, respectively.
What are prisms in optical devices (binoculars/monoculars) and what is the difference between K9, BAK4 and roof prisms?
Prisms are a key component of binoculars and monoculars that help to correct the image and provide a clear and bright view. There are two types of prisms commonly used in binoculars and monoculars: Porro prisms and Roof prisms.
Why are binoculars and monoculars filled with nitrogen?
Binoculars and monoculars are often filled with nitrogen to prevent moisture from entering the internal components of the device and causing fogging or condensation on the lenses.
What does the term eye relief mean?
Eye relief refers to the distance between the eyepiece of a monocular or binocular and the viewer's eye at which the entire field of view is visible without vignetting or shadowing.
What does FOV (field of view) mean?
FOV stands for Field of View, which is the width of the observable area that can be seen through an optical device, such as binoculars or a monocular.
How to adjust the diopter of a binocular?
To adjust the diopter of a binocular, first focus on a distant object using the center focus wheel while closing your right eye. Then, close your left eye and adjust the diopter ring on the right eyepiece until the image appears sharp and in focus.
How to adjust the eye cups of a binocular /monocular
When using a binocular or monocular, it's essential to have the correct eye relief distance to prevent eye strain and ensure comfortable viewing.
What´s the right size for me?
The choice of binocular and monocular size depends on the intended use and personal preference. Let´s explore some common sizes and compare their respective advantages.
How to clean a binocular / monocular
Binoculars are a fantastic tool for observing nature, stargazing, and bird watching. However, like any other piece of equipment, they can become dirty and require cleaning.
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