Objective
- to experiment with low natural lighting
- experiment with white balance settings.
- Better exposure setting in white out conditons
First I set the white balance to cloudy on the camera settings
it did change the colour tones to be more blue/green than the actual grey tones
that were in the scene. I then manually set the exposure levels by selecting
meter read white balance. This set the white balance levels against the current lighting
conditions. I then colour corrected the colour balance in photoshop to bring the tones/colour
back to daylight tones.
Exposure setting was difficult as the sky was very grey but the ground was whiter.
I tried a neutral density filter but as the light was poor it made the exposure levels
very long and even though I had a tripod I did not want to loose the sharpness of the image
so stuck to a high aperture setting. I took a series of readings using the TTL metering in the camera
and went for an average exposure setting. I did have to lighten the images in photoshop.
The above two images show the variation in colour when the image has not been colour
balanced in photoshop. The top image has been colour balanced to "daylight" colour, where as
the bottom image has been left as the original image with the blue tones of the white balance set at "cloudy"
I also used fill flash both in the field and in photoshop to try to compensate for
exposure variation. The foreground in this image was very poorly light where as
the background was lighter due to the white ice and not shaded.
The fill flash gave some extra light to the foreground and also toned down the light
in the background to give better balance in the overall image
Comments
This exercise has allowed me to understand better about white balance control, metering reading
light and post production within photoshop.
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