Most people, who think about buying a telescope, either go to a local department store or toy store and buy any telescope they have for sale. Anybody who spends much time outdoors should own a pair of compact binoculars.
Binoculars provide three dimensional images that have more depth. For astronomy use you will need at least 40mm aperture and preferably larger. Coated optics will reduce light loss and glare, while giving you brighter image with less eyestrain.
The fog proof models have interior optical surfaces that won't fog due to rapid temperature changes or humidity. When you're trying to spot game that blends in with its surroundings, you need every edge you can get. Since the advent of the original coating, the technique has been refined, and there are several grades of lens coating available.
In most cases, pocket binoculars are of prism roof design and the front lenses and the eyes come in a straight line; such binoculars are usually compact. And don't forget about small children and their fascination with dropping electronic equipment in toilets.
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