影像密度范围介于特性曲线趾部起点与肩部顶点间，能较好地还原个部分明暗关系。这样的底片不仅能充分显现出景物中等亮度部分的层次和影纹，亮部和暗部也保留了能够辨别的影纹和层次差别。彩色胶片还能正常还原景物色彩。
我设置相机使环境光曝光正确，接着使用闪灯并调低曝光补偿进行补光。
I set my camera to expose for ambient light, and then used flash which I dialed down.
一些摄影师殚思竭虑，也就是为了让照片达到曝光正确，焦点清晰的基本技术要求。
Some photographers strive to take good record shots. This goal is appropriate for beginning photographers who are learning how to get good exposure and sharpness.
我想要环境光曝光正确，因此我选择了相应的光圈和快门速度，并且通过观察相机的机内测光确保我的设置是正确的。
I wanted ambient light to register, and I set the f-stop and shutter speed to where I could see from my camera's built-in meter that I would get ambient light to register.
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