Utility model "object retention system in the field of vision" refers to instrument and is intended for use in scopes, cameras, camcorders, binoculars to keep an object and / or objects in sight. The essence of the jib object in the field appear to be an optical or optoelectronic systems larger object and consisting of a sector with a higher magnification and a sector with a lower magnification, consists in that: a) the central sector with a greater magnification and external sector with a smaller than in the central sector of magnification, are arranged to change the magnification independently of each other, and / or b) a sector with a higher magnification is adapted to zmenyat its dimensions, namely increased or decreased, respectively, by decreasing or increasing the sector with lower magnification.
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