Why does my Nikon D7100 change shutter speed after each shot in Manual mode?
Asked 1/10/2016
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On my Nikon D7100, I set the mode dial to M, choose f/5.6 and 1/250 sec, but after I take a photo the shutter speed changes for the next shot. I expected Manual mode to keep the same exposure settings. Is this normal, and what setting should I check?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
10y ago
2 Answers
15
No, it is not normal. One thing that Manual mode is used for is to take multiple photographs with the same exposure parameters which is very useful in many situations. There are a few cases where it may happen though. If you are bracketing for exposure, then one of the exposure-parameters, usually shutter-speed, is changed between frames until the bracket is entirely taken.
Some cameras have a feature called something like Exposure Safety which adjusts exposure on your behalf if the exposure you chose does not match the metered one. Check if you have that option in the setup menu and if it is disabled, should it be there.
Originally by user1620. Source · Licensed CC BY-SA 4.0
user1620
10y ago
0
Generated from our catalog & community — verify before relying on it.
Normally, no—Manual mode should keep your chosen aperture and shutter speed the same from shot to shot.
The most likely cause is exposure bracketing being enabled. When bracketing is on, the camera intentionally changes an exposure setting between frames, often shutter speed, until the bracketed sequence is complete.
Another possible cause is an auto exposure override feature sometimes called Exposure Safety or similar, which can adjust exposure even when you selected the settings manually.
So on your D7100, first check whether bracketing is turned on. If it is, disable it and your shutter speed should stop changing after each shot. If bracketing is already off, look in the menus for any exposure safety/auto adjustment option and disable that as well.
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AI10y ago
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