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Creating HDR (high dynamic range) photography is a 2-part process: part one takes place behind the camera – part two, behind the computer. Often I talk about how I process my HDR images, but today I’m going to share how to photograph for HDR in five simple steps.
Step 1 – Clean Your Gear
HDR brings out a lot of detail, which is great…except when that detail is the dust on your lens or camera’s sensor. While most dust spots can be fixed in post processing you can save yourself a lot of time by cleaning your gear before you head out for your shoot.
Step 2 – Check Your Settings
- Shoot in RAW format (or RAW + JPG if you must).
- Set the camera to Aperture Priority (if using auto-bracketing) or Manual (if manually bracketing).
- Turn on Auto-Bracketing (if using).
- Some older/entry level cameras limit the number of auto-bracketed shots to 3. This can work for some lighting situations, but often 5-7 exposures (or more) are required to get all of the detail from the highlight and shadow areas. If 3 is the maximum number of frames your camera can automatically bracket you may need to manually bracket to to fully capture the details in the highlights and shadows.
- Use ISO 100 for best results.
- Increasing the ISO will introduce noise/grain which will be emphasized during HDR processing.
- Turn on continuous shooting for auto-bracketing, use single shot for manual bracketing
- Set the white balance to something other than auto to keep the white balance/color consistent across your bracketed exposures.
- Set the aperture between f/11-f/16 for a wide depth of field and keep the aperture consistent across your bracketed exposures.
- If using you’re using Aperture Priority your shutter speed will be set automatically. If you’re using Manual mode, set the shutter speed to get a ‘0’ exposure by watching the camera’s internal light meter.
Step 3 – Focus on Your Subject (or 1/3rd into the scene)
Maintaining consistent focus throughout each exposure is critical in photographing for HDR. If your focus point differs between exposures you can get a ghost image when processing that can make your merged HDR photo appear out of focus.
I usually use Live View and autofocus to focus on my subject. Then I turn off autofocus, while being careful not to shift the lens’ focal length.
Step 4 – Make Your Photos
Trigger the shutter for each exposure. If you are bracketing automatically you can use the continuous shooting mode to quickly fire off your bracketed set. If you’re manually bracketing a pause between each frame will be necessary to change your shutter speed.
Step 5 – Check Your Histogram
Watch the histogram to ensure that your darkest shot isn’t clipping the highlights (i.e. touching the right side of the graph) and your brightest shot isn’t clipping shadows (i.e. touching the left side of the graph).
How to photograph for HDR: Bonus Tips
- Whenever possible, use a tripod and a cable release (or the camera’s self timer) to minimize camera movement between exposures.
- See the Light – Evaluate the contrast range in the scene to determine the number of necessary exposures (3, 5, 7 or more).
- Too few exposures will leave gaps in the dynamic range.
- Too many exposures will increase the chances of noise and chromatic aberrations when processing.
- Pay attention to anything in your frame that might be moving between exposures (wind, clouds, water, trees, grass, etc.). Any movement will impact how you process the image. Deghosting technology for dealing with movement in HDR has come a long way, but it can impact the amount of flexibility you have in processing as well as the quality of the final image.
HDR Processing Software
- Save $10 on Aurora HDR 2018 by entering promo code “angandrieux” at checkout.
- Save 15% on Photomatix Pro by entering promo code “angandrieux” at checkout.