How to Enable Long Exposure Noise Reduction on Your Canon EOS 6D

Serious photographers who like to make the most of their EOS 6D will need to know how to enable Long Exposure Noise Reduction. If you shoot long time exposures at night in secluded places, you’ll capture some wonderful images of the sky, and if you live in a remote area, or capture images in an area with no ambient light, you’ll see galaxies like the Milky Way in your images.

However, when you use the B (Bulb) mode to leave the shutter open for several minutes, or in some cases several hours, your images will be noisy. If the previous scenario sounds familiar, you can eliminate some of the noise with Long Exposure Noise Reduction as follows:

  1. Press the Menu button.

    The previously used menu displays.

  2. Use the Multi-controller to navigate to the Shooting Settings 4 menu tab.

  3. Use the Multi-controller or Quick Control dial to highlight Long exp. noise reduction and then press Set.

    The Long Exposure Noise Reduction options are displayed.

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  4. Use the Multi-controller or Quick Control dial to highlight one of the following:

    • Disable: The default option disables long exposure noise reduction.

    • Auto: Applies long exposure noise reduction with exposures longer than one second when typical long exposure noise is detected.

    • On: Applies long exposure to every image with an exposure longer than one second. This option may also reduce noise that the Auto option cannot detect.

  5. Press Set.

    The desired option is applied.

Long exposure noise reduction increases the time it takes for the camera to process each image. If you do occasionally create long time exposures, either choose the Auto option, or choose the On option before the photo shoot, and then change to Disable when the photo shoot is completed.

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