Not "Wrong"...just missed the Manual part of his statement; what I wrote is absolutely correct in all others as you pointed out.
But...thanks for pointing out my oversight in not clarifying that it does not work in Manual mode...
Wall-E wrote:
Wrong.
The OP says he's using MANUAL. Exposure comp has no effect there except to mess up the metering.
When in Program, Aperture or Shutter priority modes, then it DOES have an impact on the exposure. That's because you're telling the internal processor to shift away from what it wants to set as an exposure by a certain amount.