Any stain or mark on the surface of a binocular lens tends to scatter light, thereby producing low-contrast viewing. Binoculars magnify the image of a distant object so that it looks much closer than it actually is.
Many pairs of binocualrs are not suitable for low-light conditions. Exactly how you can see the Sun rise in the east, and set in the west; and how you can see the moon whizzing from one part of the sky to the other, when you take a look at the moon in a telescope it moves fast. Remember the larger the lens then the heavier the binoculars are likely to be, so this can be a factor when you consider the possibility of carrying these around all day.
Such lens cloths take even fingerprints and stains of all sorts off your binocular lens. Numbers are used to describe the telescopic strength of the binoculars. Compacts have objective lenses 25 mm or less.
Magnification over ten generally causes the binoculars to lose some image crispness. You want to become adept at identifying a bird correctly. If your application is bird watching, theater or sporting events, a low powered binocular will suffice in most cases.
Binoculars are the perfect accessories for hiking, fishing and hunting. You can use your binoculars or telescope after the kids go to bed to look at the night sky with your sweetie!
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