Does exposure compensation affect Auto ISO in Manual mode on a Nikon D7000?
Asked 8/6/2013
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On a Nikon D7000, if I shoot in Manual (M) mode, aperture and shutter speed stay fixed, so exposure compensation doesn't change those settings. But if Auto ISO is enabled, the camera still adjusts ISO based on metering. Does exposure compensation change the ISO that Auto ISO selects in Manual mode?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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Exposure compensation basically effects the metering. Because the camera meters to 18% gray, exposure compensation is there to allow you to adjust the parameters used to meter to account for bright subjects or dark subjects, basically by allowing you to indicate that the scene is lighter or darker than the camera thinks.
So, in that aspect, this would effect the ISO chosen by the D7000 when in auto-iso mode in an otherwise manual selection. Obviously, fully manual selections of shutter, ISO, and aperture are unaffected by compensation selection, it just affects the meter's display.
Originally by user472. Source · Licensed CC BY-SA 4.0
user472
13y ago
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Generated from our catalog & community — verify before relying on it.
Yes. In Manual mode, exposure compensation does not change your manually set shutter speed or aperture, but it does affect the meter target. With Auto ISO enabled, the camera uses that metering target to choose ISO, so changing exposure compensation will change the ISO selected.
In other words:
- Manual shutter/aperture: unchanged
- Auto ISO: affected by exposure compensation
- Fully manual shutter/aperture/ISO: exposure compensation only changes the meter display, not the actual exposure settings
This is because exposure compensation tells the camera to meter the scene brighter or darker than its normal target (roughly based on an 18% gray assumption).
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