Simple Reflected Light Meter

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This app is a reflected light exposure meter that uses the built-in camera of the device.

When you start the app, the preview screen of the camera is displayed.Please set ISO value on the setting screen from the menu at the beginning. By default, it is 100. Display the results by click the metering button while previewing the target.

Screen of the display result will be displayed, the value EV, F:FNumber, T:ExposureTime, ISO:ISOSpeedRatings will be displayed.Use volume up/down keys for changing values.

At the bottom of the screen, we are viewing the Exif information of JPG that is output with a digital camera and thumbnail of preview screen. As a result of this exposure can be used to determine whether under or slightly overexposed look at this thumbnail. EV range of values ​​that support by Android device you are using is different. For example, Xperia X10 mini has a range of 14.3 to 4.6 . Care must be taken so as not to overexpose such a case, because during fine weather EV is greater than or equal to 15.

This app is Open Source.

Source code: https://github.com/mugcupsoup/SimpleReflectedLightMeter