Spotting scopes are an indispensable accessory for travelling lovers. And procurement of spotting scopes is sometimes a pleasure hard to resist for stylish people. Here is the article discussing criteria needed to know when looking to buy the best spotting scopes for your long day trips.
If you are travelling to rivers or green waters, this is the first criterion to keep in mind. Even while visiting a primary forest or into the wild, you should also consider this criterion. The reason is the weather is not stable, what ensures the moist environment will not obscure the lens of your spotting scopes?
Spotting scopes are normally pumped inert nitrogen gas to fill the air accumulated in the tube, so when using you will not see any steam clinging the lens. What about the steam sticking outside? It is easy to clean up. But if water vapor accumulates inside, you will have to unfix the spotting scopes to clean up, which entails bad consequences. So think about this matter in advance and choose spotting scopes with water resistance feature to avoid problems arising later.
It is calculated by dividing the diameter of the lens with magnification. For example, 20 x 50 mm spotting scopes have the vision of 2.5 m (take 50/20). This indicator is very important if you want to use spotting scopes in low light environments such as dusk or dawn. Also, the older you are, the lower the resolution of your eyes falls down, so good vision spotting scopes mean higher quality images in low-light environments. This index should be mindful if you intend to buy spotting scopes as gifts for the elderly.
Field of view
This index demonstrates the distance of the object that you can see with spotting scopes, measured by the width. The larger the index is, the farther and wider you can see. Theoretically, the magnification is inversely proportional with the field of view.
Magnification shows the level by which the real image is enlarged. 8x spotting scopes enlarge the image 8 times as much as the naked eyes do. However, depending on the needs and purposes you should choose spotting scopes with appropriate magnification. Bird watching and wildlife observing need only the 8x, but for hunting 10x, 20x or more is still low magnification.
So what should you keep in mind with this parameter? A spotting scope with more than 10x magnification may give unstable quality images when you hold it. Ideally, it should be installed on a base, such as a tripod.
Diameter of the Objective Lens
Typically, the larger the lens is, the lighter, sharper, and more stable images are. However, “large” means “heavy and expensive.” Therefore, depending on the needs and purpose of use, choose spotting scopes with an appropriate lens.
It is recommended that you consider the need and costs before entering the store. The predetermined amount of money paid will help you have a better choice among a wide range of products in the store. If you want to own high quality, long lasting spotting scopes, do not too meant in investing on a brand name spotting scope.