An Introduction to High Dynamic Range

Session Notes

A polarized Filter will overexpose the contrast of your shot and also possesses the advantage of removing reflections from reflective surfaces as shown in figure a.

Compared to a Graduated Filter which...

Figure A
High Dynamic Range (HDR) photography tends to work best for black and white shots and exaggerating rust or moss on objects,

Moreover, in order to create a successful HDR photograph then an image must be captured in three exposures
  1. Over Exposed (Bright)
  2. Standard Exposure
  3. Under Exposed (Dark)
Once a satisfactory number of images have been captured in order to merge thee exposures together the following steps must be taken in adobe photoshop...

FILE > AUTOMATE > MERGE TO HDR PRO

Place your 3 shots 1 bright 2 normal (balanced) 3 dark

JPEGS produce s grainy shot it is advisable to capture the shot as RAW file

To finally merge the images go to file merge to HDR in photoshop

Camera Settings

LOW ISO set to  200

25 oo F3,5

BKT BUTTON ON NIKKON D90

Set BKT to 3F

Terminology

Auto Bracketing

Software Of Intrest
  • Photomatics

References

https://upload.wikimedia.org/wikipedia/commons/d/d8/CircularPolarizer.jpg

http://jamesgphotography.co.uk/wp-content/uploads/2012/10/DSC01936.jpg

By Sebastian Jones

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