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High Dynamic Range (HDR) Photography

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Page 1: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

High Dynamic Range (HDR) Photography

Page 2: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Camera vs Eye

• Eye sees a wider range of color luminance than digital cameras

• HDR’s images compensate for this by combining three or more digital images

• Normal exposure, overexposed and underexposed, easy to do with midrange or better Canon cameras

• More than three images can be used, Nikon gear can do 5 or 7 easily

Page 3: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Why three images?

• Normal exposure for camera’s best

• Over exposed gets stuff in shadows

• Underexpose gets stuff that is blown out

• Consider case of room with window looking out on bright scene

Page 4: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Process in Photomatix or Photoshop

• Reduce HDR images colors to useable range of color values

• Raw HDR images look funny on computer screen

Page 5: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

When to Use HDR

• Scenic images

• Cityscapes, night and day

• Difficult lighting

• Your are not moving

• Subject not moving mostly

Page 6: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

HDR Process

• Take photos

• Create HDR in photomatix or photoshop

• Import into photoshop and maybe remix with original RAW images

Page 7: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Photos

• Use tripod

• Aperture priority mode, f stop to get important stuff in focus f/11 to f/22?

• ISO 100 to reduce noise in process

• Turn on auto-bracketing -2,0,+2 stops

• Continuous shooting is nice and remote trigger

• Shoot RAW images

Page 8: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Create HDR

• Generate single HDR from auto-bracketed images– In photomatix choose Generate HDR Image– Browse to select 3 bracketed images– Choose the option Align Source – Click Generate Tone Mapping

Page 9: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Tone Mapping

• HDR needs tone mapping to display colors on monitor. Way too many colors at first.

• Every photo is different but as a start try:– Strength 100%– Color saturation reasonable– Luminosity, less contrast to right– Microcontrast I like a lot but play around– Smoothing “HDRness” of shot, middle 3

mostly

Page 10: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Tone Mapping Continues

• White and Black Point, Gamma adjust to get histogram inside box

• Click Process

• Save when processed

Page 11: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Photoshop HDR

• Open tonemapped jpg

• Process like any other image– Levels – Vibrance– Noise– Sharpen– And so forth

Page 12: High Dynamic Range (HDR) Photography. Camera vs Eye Eye sees a wider range of color luminance than digital cameras HDR’s images compensate for this by

Odds and Ends

• www.hdrsoft.com is photomatix site

• 15% off with stuckincustoms

• Can HDR a single image, just open file in photomatix and generate HDR