Binoculars are optical devices composed by one or two telescopes whose function is to increase and improve the view magnifying images. Sometimes binoculars stand along paved path or close to a belvedere to appreciate the surrounding air views Hawaii. In this category there are also microscopes, used by chemists and biologists to make analysis. Optical lenses are also used for camera.

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the category technology, of the cepolina free photo collection, also includes: