夜间摄影与白天摄影受到同样条件的约束——即光圈，快门速度，感光度——不过它对于这些参数的控制都要达到极致。
Night photography is subject to the same set of constraints as daylight photography - namely aperture, shutter speed and light sensitivity - although these are all often pushed to their extremes.
远摄镜头的性能加上f/2.8的光圈，再加上最长500mm的长焦端，使该镜头适合拍摄野生动物和体育赛事，也是天文爱好者进行天文摄影的绝佳镜头。
The combination of telephoto capabilities and an f/2.8 aperture throughout the zoom range up to 500mm makes this a great lens for wildlife, sports and for you stargazers, astrophotography.
面向初级和中级水平的摄影师，《理解曝光》用简单易懂的文字介绍了光圈、进光量和快门速度这“摄影三角”的基本知识。
Easy to read and straight-forward, Understanding Exposure offers the basics of aperture, lighting and shutter speed, photography’s basic triumvirate, to beginning and intermediate photographers.
他的搭档克里斯汀·阿瑟曼(Christine Ascherman)是一位商业摄影师，在拍摄前和拍摄期间都会自己念叨曝光和光圈的问题。
His partner, Christine Ascherman, a commercial photographer, talks to herself about exposure and aperture before and during her shoots.
这门课同样适合那些懂得IS O感光度、光圈、快门速度、白平衡等摄影知识并能用自己的数码单反或桥梁相机设置这些参数的同学。
It is ideal for those who have an understanding of ISO, aperture, shutter speed, white balance and how to change these on your digital SLR or bridge camera.
摄影师同时补充说他通常使用t 2.8左右的光圈拍摄夜景和内景，日景戏则用T8左右的光圈拍摄。
The cinematographer adds that he typically shot nights and interiors around T2.8, and day exteriors around T8.
最后灯光设置结束后我们仅仅需要调节贴图色调，和摄影机曝光度和光圈大小来完成这张图片。
Finally the lighting was finished and we just needed to adjust the tone mapping, the exposure and aperture of the camera to complete the image.
这个现象，称为衍射。它影响影像的清晰程度。所以，用极细光圈摄影会使品质下降。
This phenomenon, known as diffraction, results in a loss of image clarity, Therefore, using very small aperture would lead to lose of quality.
当水下摄影新人听到诸如光圈、快门或者是ISO等等术语的时候，就会不知所措的要退回去使用自动模式。
When beginner underwater photographers hear terms like aperture, shutter speed or ISO they tend to freeze up and want to go back to auto mode.
当水下摄影新人听到诸如光圈、快门或者是ISO等等术语的时候，就会不知所措的要退回去使用自动模式。
When beginner underwater photographers hear terms like aperture, shutter speed or ISO they tend to freeze up and want to go back to auto mode.
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