javanutsy
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 5D: Changing focus screen without chaning custom function | |
What effect would changing the focus screen from standard ee-a to ee-s have on the metering system? My understanding is as follows:
1. The ee-s lets in less light than the ee-a.
2. The metering system meters through the focusing screen.
3. Images captured by the sensor does not go through the focusing screen.
So changing from the ee-a to ee-s screen without changing custom function 00 will cause the metering to be fooled into thinking the scene is darker than it really is and lead to overexposed photos.
The point of custom function 00 to select the corresponding screen is to tell the metering system to compensate for the light changes caused by the different focusing screens.
Is my understanding correct? Thanks!
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