photo-optical device (OPD)

The Magnitude Measuring System of the Cassegrain Focus Camera of 1 MR. C. C. Telescope

一米望远镜卡焦照相装置的星等系统——云台一米望远镜卡焦照相测光性能研究

a mechanical device on a camera that opens and closes to control the time of a photographic exposure.

照相机内的控制照相时间的开关的机械装置。

an optical device for viewing photographic transparencies.

检查照相透明度的光学装置。

dimensions for photographic film in rolls for phototypesetting or photocomposing uses

照相排版或光学排字装置用胶卷尺寸

cable for photographic flashlight apparatus

照相机闪光灯装置用导线

Specifications of electronic flash equipments for photograph

GB/T10072-1988照相用电子闪光装置技术条件

the new cameras adjust the diaphragm automatically.

这种新照相机能够自动调整控光装置。

The focus on my camera isn't working properly.

我的照相机上的调焦装置有毛病.

an optical device for viewing stereoscopic photographs.

观察体式照相的光学装置。

a camera with a flash attachment

有附属闪光装置的照相机

Suitable for camera, car audio, mini-audio sets, etc.

适用于照相机，汽车音响，随身听等装置。

Set the lens aperture to the aperture value designated by the flash unit according to the ISO setting your camera.

按照您相机上闪光装置ISO设置,设置好镜头的光圈大小。

Determination of flash guide numbers for electronic photoflash equipment

GB/T13987-1992照相用电子闪光装置闪光指数的确定

a mechanism for advancing film in a camera or projector.

提前照相机或放映机里的胶片的机械装置。

Response characteristic study of CCD camera in headlamp regulator calibration system

前照灯校准器检定装置中CCD相机响应特性探讨

To set(a device, such as a camera shutter) in a position ready for use.

扳起（准备使用）将（一个装置，诸如照相机）放在准备使用的位置

local X-ray apparatus

定位X射线照射装置

headlamp levelling device

前照灯水平调整装置