It has come to our attention that a certain electronic component related to exposure control in some d70 cameras may , on rare occasions , fail 由于我们注意到有部份d70相机的控制测光部份的电子组件在非常少的情况下发生问题。
Multi - segment ( 256 ) metering automatically gauges and adjusts light readings over the entire image area to give you the best exposure for your subject 多区分割（ 256区）测光系统会自动测量整个影像区域的光线，并为主体选择最适合的曝光。
In chapter 2 , 1 briefly introduce the supernova survey system and discoveries of national astronomical observatories , chinese academy of sciences ( naoc ) . in chapter 3 , the new system of 0 . 6m telescope of naoc is presented 第三部分里，讨论了国家天文台新的系统定标问题，并讨论了ccd相机快门效应，平场等对测光的影响。
A wide - angle , zoom lens with high resolution and brightness . features a circular iris with excellent defocusing characteristics , and advanced distance integration ( adi ) for enhanced flash shooting performance 具高解像度及高亮度的广角变焦镜头；特色是配备出色的散焦功能的圆形光圈，以及可提升闪光摄影的效能表现的先进综合距离( adi )闪灯测光。
Date and time , camera settings ( exposure mode , shutter speed , aperture value , exposure compensation value , metering method , flash on off , camera sensitivity , white balance setting , focal length , etc . ) , color space 日期及时间、相机设定(曝光模式、快门速度、光圈值、曝光补偿值、测光方法、开启关闭闪灯、相机感光度、白色平衡设定、焦距等) 、彩色色域
4 - segment flash metering , average metering and local - focus - area - aligned spot metering selectable in custom function ; automatically activated by pressing the ae - lock button , af button , or the shutter - release button partway down 可在自订设定功能中选择四区域测光、平均测光、个别对焦区连重点测光；按下自动曝光锁按钮、自动对焦按钮，或半按下快门释放按钮时会自动启动
A versatile zoom lens with bright imaging at any focal length . features a circular iris with excellent defocusing characteristics , and advanced distance integration ( adi ) for enhanced flash shooting performance 多功能变焦镜头，无论在任何焦距之下，皆可创造出亮丽的影像；特色是配备出色的散焦功能的圆形光圈，以及可提升闪光摄影的效能表现的先进综合距离( adi )闪灯测光。
This paper investigates a method of applying the fiber grating tuning devices to realize the detection of central reflected wavelength of fiber gating , and validates of feasibility . and some major applications of fiber grating technique are discussed 论文探讨一种利用光纤光栅调谐装置实现对被测光栅中心反射波长的检测的方法并验证其可行性；分析讨论光纤光栅技术在光通信中的一些主要应用。
The photometric observation of the asteroids is an important way to study their physical parameters . the rotation and shape parameters of the asteroids derived from the lightcurves are necessary data for the evolution studies of the solar system and theirselves 光电测光观测是研究小行星物理参数的主要手段之一，由小行星自转光变曲线推断出的小行星的形状和自转参数是以上两方面研究工作所必需的数据。
Stores photographic data of up to 7 rolls of 36 exposures on aperture , lens focal length , exposure compensation exposure bracketing increments , shutter speed , flash compensation flash bracketing increments ( including flash on off status ) , exposure mode , and metering mode 可以储存7卷36格菲林的光圈、镜头焦距、曝光补偿包围式曝光增减值、快门速度、闪灯补偿包围式闪灯增减值(包括：闪灯开启开关状态) 、曝光模式及测光模式等拍摄资料
