Nikon D7000, Bracketing Exposures

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So what if you are doing everything right in terms of metering and mode selection, yet your images still sometimes come out too light or too dark? There is a technique called bracketing that will help you find the best exposure value for your scene by taking a normal exposure as well as one that is over- and underexposed. Having these differing exposure values will most often present you with one frame that just looks better than the others. If I am in a tricky situation when I have to get the exposure right, such as an outdoor wedding, then I’ll use bracketing. I’ll start by spacing my exposures apart by one to two stops and taking three images: one normal exposure, one underexposure, and one overexposure. (Figure 11.7).

control panel shows you just how much bracketing
Figure 11.7 The control panel shows you just how much bracketing is being applied on an over/under scale in the upper right corner of the screen. The number and letter to the left tells you how many frames you’re shooting; here, it’s three frames, shown as 3F.

As you are viewing the control panel and holding the exposure button, you can decide how much variation you want between bracketed exposures. You can choose from one-third of a stop all the way to two full stops of exposure difference between each bracketed exposure. If I am in a particularly difficult setting, I will typically bracket in two-stop increments to help zero in on that perfect exposure, and then just delete the ones that didn’t make the grade (Figures 11.8–11.10). Remember, your lighting will dictate how many stops you want between exposures.

Two stops of exposure below normal
Figure 11.8 Two stops of exposure below normal, creating a much darker image.

Normal exposure
Figure 11.9 Normal exposure, as indicated by the camera meter.

Two stops of exposure above normal
Figure 11.10 Two stops of exposure above normal, creating a much lighter image.

Setting auto-exposure bracketing

Setting auto-exposure bracketing

  1. You can quickly set your bracketing by holding the BKT button (on the front of your camera directly below the flash button) while rotating the Command dial to 3F (three exposures).
  2. Next, continue holding your BKT button down while rotating your Sub-command dial to the 2.0 setting (two stops between each exposure). For more information on bracketing, please review pages 109–110 of your manual.
  3. If you are in Single Frame shooting mode, you will have to press the shutter three times, one for each exposure. If you are in continuous shooting mode, you will press and hold the shutter button and the camera will take all three exposures with one press of the button.

When I am out shooting in the RAW file format, I typically shoot with my camera set to an exposure compensation of –1/3 stop to protect my highlights. If I am dealing with a subject that has a lot of different tonal ranges from bright to dark, I will often bracket by one stop over and under my already compensated exposure. That means I will have exposures of –1 1/3, –1/3, and +2/3.

Another thing to remember is that auto exposure bracketing will use the current mode for making exposure changes. This means that if you are in Aperture Priority mode, the camera will make adjustments to your shutter speed. Likewise, if you are in Shutter Priority, the changes will be made to your aperture value. This is important to keep in mind since it could affect certain aspects of your image such as depth of field or camera shake. You also need to know that AE bracketing will remain in effect until you set it back to zero, even if you turn the camera off and then on again.

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