diaphragm

In the television teaching material photography,the adjustment and the control of camera aperture is actually that of the picture exposure,and is also closely connected with the program art effect and the picture technology quality.

在电视教材拍摄中,对摄像机光圈的调节和控制实际是对画面曝光的调节和控制,无论与节目艺术效果还是与画面技术质量都紧密相关。

This paper is the discussing about the aperture-coefficients of the Zoom Lens, the formula for the calculating is: F=f/d (where.

该论文是探讨变焦镜头的光圈系数 ,镜头的光圈系数的计算公式 :F=f/D(其中 :F为光圈系数 ,f 为镜头焦距 ,D为光圈开口直径 ) 。

The functions, the hardware structure and the software structure of the test system for aperture performance are presented in this paper, and the designs of electric controller and optics coupling system are discussed in detail.

介绍了光圈性能测试控制系统的硬件组成和功能及软件的结构,对电气控制部分和光学耦合系统的设计进行了详细的讨论。

In making a video recording, the control of diaphragm is actually the control of the picture exposure and its shadow adjusting.

在摄像艺术创作中,对光圈的控制实际上是对画面曝光和产生不同影调的控制。

Based on some relevant calculating formulas,this paper deduces the calculating formula of aperture value while usin g off -camera direct flash in close photograph.

在近距摄影中,用闪光灯作为光源,难以控制的是曝光量,本文根据有关计算方法,从理论上推导出侧位直接闪光法在近距摄影中的光圈系数计算公式,对影响曝光结果的因素进行定性分析,同时通过试验加以证实并说明应用方法。

stop-down metering

非全开﹝光圈﹞式测光

A series of F-numbers are so chosen so that the amount of light passed by the lens when set to one number is half that passed by the lens when set to the previous numbers.Each F-number is known as a "F-stop".

当调校至某一光圈值时，穿过镜头的光量是前一光圈值的一半。每个光圈值称为一个“光圈档”。

elliptical iris waveguide

椭圆形光圈式波导管

auto iris zoom lens

自动光圈变焦距镜头

Shoot in aperture preferred mode with the lens set to wide angle and choose the smallest aperture.

在大角度镜头的光圈下，进行拍摄，光圈要最小。

A circle of light or radiance surrounding the head or body of a representation of a deity or holy person;a halo.

灵光圈或光轮象征神及圣人的人头部或身体周围环绕的光圈或彩圈；光环

Iris diaphragm: The adjustable hole in a camera to control the amount of light passing through the lens. See Diaphragm.

虹彩光圈:相机上可供调校的孔，它控制穿过镜头的光量。参阅光圈。

aperture-priority automatic exposure camera

光圈优先式曝光量自动控制照相机

I did not set the aperture right so they were overexposed. Yes ?

我没有对好光圈，结果曝光过度了，对吗?

diaphragm-adjusting lever for compound optical microscopes

复合光学显微镜光圈调节杆

aberration change

析光差变化﹝因设计及应用光圈产生之光差变化﹞

If the aperture is set to "P" or "A", turn the aperture ding while pressing the "P" or "A" lock pin.

如果光圈要调到“P”或 “A”,请按住“P”或 “A”锁定拴同时转动光圈环。

The aperture will be set to the aperture opening you have selected and you can confirm the areas that are focused.

光圈将被调整到你已选择的光圈大小。你可以核准对焦区域。

This exposure is made with a small F-stop to a sheet of white paper placed over the original, or to the rays from a flash- lamp.

闪光曝光，可用小光圈档，用一张白纸放在原稿上面或用闪光灯曝光。

automatic extension tube

自动延长管，自动回校光圈的延长管

Let's see. Turn it on, point, check the light meter, and, and... huh?

我看看。打开电源、取景、检查光圈和……和……呃？

The sun's just come out; you'll have to stop down a bit.

太阳出来了，你得把光圈稍微缩小一点。

The sun's just coming out;you'll have to stop down a bit.

太阳出来了，你得把光圈稍微收小一点。