Or just dl the .pdf file from Cast here
. It's been there for a while.
- Without moving the camera, change the f-stop so the meter is at -1.5 for the second shot, then +1.5 for the third shot. If I'm trying to pull detail out of utter blackness, then I shoot a frame at +2.5.
I don't think the D3100 will do bracketed shots, at least I can't find it if so.