Binoculars and riflescopes Field of view and angle of view The field of view of binoculars or riflescopes is specified either in degrees (angle of view) or in metres. The size of the field of view indicates the width of the terrain that can be observed through the binoculars at a distance of 1000 metres. In contrast, the field of view of riflescopes is usually specified for distances of 100 metres. Binoculars without a wide-angle function have a [...]
