How to choose the most compact detection range?

 Eyepiece: Fixed vs. Zoom

There are different models of scopes, with some models having a removable eyepiece. When you buy a model with a fixed eyepiece, don't expect a larger magnification detection range to be better.

The best compact detection range comes with magnifications from 20x to 30x. High magnification can result in low image quality because of glare and thermal vibrations. ống nhòm camera

For bird watching, the best option is a zoom eyepiece. The most popular options currently on the market are 20-40x, 20-60x and 25-50x.


Magnification and lens

The spotting range is marked with three numbers, for example, 20-60 × 60. The first number indicates the zoom range, which is 20-60 times. The second number refers to the size of the lens measured in millimeters.

Some people believe that the larger these digits, the better the results, but this is not entirely true. If a lens is extremely intense, you won't be able to see the image clearly. Multiple compact speckle scopes range in magnification from 15x to 60x. If you see higher numbers, it means you are dealing with a telescope. camera nội soi

When it comes to field of view, magnification also plays an important role. The field of view is narrower with greater magnification. To see the whole picture, you will need to adjust the magnification.


Lens

Choosing a lens that is right for your purposes is no easy feat. If the lens is too large, the image will appear blurry and washed out. And if the lens is small, it will collect less light and the image will be distorted. If you need a compact viewfinder for hunting, choose a lens with a 50-80mm lens.

Of course, there are larger lenses, but the choice of lens size just depends on your goals. Don't forget that the larger the lens, the heavier the device. If you always have to carry your device with you, choose a more portable option.

Also, don't forget about the coating. Multi-coated lenses are best for achieving distortion-free image quality.

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