Warning: Manual Exposure Does NOT Disable Auto-ISO!

This morning, I had a rude awakening with my Nikon D700. I was shooting in manual and discovered that the ISO did not remain locked at 200. The camera tried to override my exposure decisions by moving the ISO within the range! That is really nasty behavior since Manual should mean MANUAL. What moron thought that this was a good idea?

In the future, I need to remember to switch over to my locked 200 ISO Custom Setting whenever I go into Manual mode. After I discovered the problem, I Googled it and found that Ken Rockwell had given the warning also as a Firmware Defect on the D200 (see Nikon D200 Custom Menu).

Caveat Photographer!

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About claforet

I have been photographing since my college days. My current gear is a Nikon D-700 along with a plethora of lenses, and always tote an Olympus point-and-shoot digital camera attached to my hip. My first serious camera was a Canon EF back in the early 80s. A Canon A-1 soon followed. Since then, I also have had a Minolta Maxxum, Nikon FM, Nikon F4, and Nikon Point and Shoot in my film days. I have had and maintained a private full color and B&W lab on and off for much of that time. My photos can be found at http://www.flickr.com/photos/claforet Photography and painting are my "sanity breaks" that save me from my day-to-day software development existence! I host a group in Facebook called "Painting as a Second Language" for anyone who is interested in painting as an outlet for the day-to-day pressures. Please look it up and join if you think it will meet your needs. Recently, I have also branched into the video world and am learning how to shoot video better and how to edit compelling video sequences. My learning experiences will be part of this blog and my videos can be seen at http://www.vimeo.com/claforet I live in, and photograph mostly around, North Carolina. I love traveling so there are many shots from states around us, out West, and other places. My daughter has been bitten by the photography bug too. She has spent time in a B&W lab and loves the excitement generated by just the smell of the chemicals. Maybe one day she will take over where I leave off....
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2 Responses to Warning: Manual Exposure Does NOT Disable Auto-ISO!

  1. weavinglight says:

    I sometimes wonder what planet Nikon engineers live on, because it ain’t this one.

  2. Pingback: My Experience with Shooting DSLR Video | Chris' Creative Musings

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