fieldOfView(视场)

Definition：Real field of view (field of vision) is the angle of the visible field, seen without moving the item, measured from the central point of the objective lens. In games the extent of the observable world that is seen at any given moment. This is used by such items as: microscope, rifle scope, cameras, binoculars are just some type of items. Measure in linear length or angular degrees for example 300 metres (MTR), 45 degrees(DD).

定义：实视场(视场)是在不移动观测器件的情况下，从物镜的中心点测量的视野范围的角度。视场是在任何给定时刻都能看到的可观察世界的范围。视场主要用于显微镜、步枪瞄准镜、照相机、双筒望远镜等。视场以长度或角度来表示，例如300米(MTR)、 45度(DD)。

类型：ATTRIBUTE（属性）

Cardinality（基数）：0..*

字符长度：1..70 (30.39)

数据类型：Measurement

BMS代码表ID：

xPath：/catalogue_item_notification:catalogueItemNotificationMessage/transaction/documentCommand/catalogue_item_notification:catalogueItemNotification/catalogueItem/tradeItem/tradeItemInformation/extension/*[namespace-uri()=’urn:gs1:gdsn:optics_device_information:xsd:3’ and local-name()=’opticsDeviceInformationModule’]/opticsDeviceInformation/fieldOfView