Skylight filter

Condsidering the real condition of filter production in the country,the concents,properties and advantages of state standard filters are introduced and the information of camera standardization is exchanged.

结合国内滤光镜生产实际情况，介绍了滤光镜国家标准的内容、性能及其先进性，交流了照像机综合标准化工作信

three-filter colorimetry

三滤光镜比色计 -彩色显像管的

I took this picture with a red filter.

这张照片我是用红色滤光镜拍摄的.

Research on characteristic and Measurement of Switching Time for Automatic Wilding Filter

自动变光焊接滤光镜的转换时间的特性及测量

You have to put a deep red filter on the lens to increase the contrast.

你还需要在镜头上加一块深红色的滤光镜来提高反差。

Contrast sensitivity of several blindness inducing eye diseases and the influence of tinted filter lens

常见致盲眼病的对比敏感度及滤光镜对视觉的影响

Adopting an anti-Gaussian liquid absorption filter lens, the uniformi t y of radial intensity of laser source is realized.

应用反高斯分布的液体吸收滤光镜，实现了高斯光束强度的径向均匀化。

UPDATE OF THE 1.56m TELESCOPE ELECTRICITY CONTROL SYSTEM FOR FILTER ORIENTATION AND SECONDARY MIRROR FOCUSING

1.56m望远镜滤光片定位及副镜调焦的电控改造

Filter selection is made using inherent spectra.

滤色镜的选择必须利用固有光谱。

A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged.

为了不使蓝光进入相机而成像，可在相机的透镜前加一黄滤色镜。

Analysis of Filter of Photoshop CS3/CS4

Photoshop CS3/CS4滤镜剖析

determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy(membrance filter method)

用相差光学显微镜测定空气中无机纤维浓度值-膜滤法

Attach the infrared filter and focus on the subject. Read the indicated distance off the lens barrel.

按上红外线滤光片,对拍摄景物对焦,请读出镜头筒指示的距离。

HOE/LENSLESS MATCHED SPATIAL FILTER WAVELENGTH一SCALING CORRELATOR

无透镜全息光学元件匹配空间滤波波长比例相关器

Application of ultrasound biomicroscopy in failure cases of glaucoma filtering surgery

青光眼滤过性手术失败病例的超声生物显微镜观察

A Method of Edge Filter Demodulation by Using Temperature Compensation for HBF Sagnac LM

基于温度补偿高双折射光纤环镜的边缘滤波解调方法

optically flat filter

光平面滤光片;光学扁平滤光器;光学平面滤光片

Any of the lenses, prisms, or mirrors of an optical instrument.

光学镜光学仪器的透镜、棱镜或平面镜

This film type can also be used in tungsten or fluorescent lighting if a suitable filter is put in front of the lens or light source.

在 丝灯或荧光灯下摄影也可以，但要在镜头上或灯光前加上适当的滤色片