Shutter time was set by the camera's built-in autoexposure
Another technically important fact is that all the automatic functions of the camera can be switched off programmatically (like auto-white balance and autoexposure
Similarly, for this time-consuming problem, Ekstrand and Zhang  presented an autoexposure
technique in which the required exposure time can be predicted automatically according to the reflectivity of the measured object surface.
High-resolution CT (HRCT) images were acquired by using a 16-row multislice CT scanner and the following parameters: 120 kVp and autoexposure
control, 140-170 mA, 0.75-mm slice collimation, 12-mm feed/rotation, 0.5-second rotation time, and lung window settings (level = -500/width = 1500 HU).
The spectrometer is lightweight at <2 lb and is easy to operate with the autoexposure
and autoshutter features.
The device also features a much-improved five megapixel camera with autoexposure
As with other types of sky photography, your camera's autoexposure
setting probably won't give good results (even if it has a night mode).
The Elura's simple exposure wheel allowed me to show students how to correct for difficult lighting conditions that still fool most autoexposure
Image acquisition is optimized by using a monochrome camera and advanced illumination, autoexposure
, and autofocus techniques.