Inspiring and Supporting Photographers of Australian Birds
Photographed by | Ian Wilson on Fri 2nd Oct, 2015 and uploaded on Sun 14th May, 2017 . | ||||||||||||||||||
Resolution | 1400x1014 | ||||||||||||||||||
Viewed | 1088 | ||||||||||||||||||
ID | 25602 | ||||||||||||||||||
Comment | The image was processed with DPP4 and PSE14 and below I outline the most important adjustments. The image was captured using automatic white balance, Canon Standard picture style, and exposing for the whites. In processing, the brightest white patch on the bird’s flank was used as a reference for subsequent image adjustments. This indicated slight under-exposure and I therefore raised the overall brightness 0.5 stops so the white patch was about 245 DN. I used the same white patch to fine tune the white balance to neutral white so that the RGB numbers were about (245, 245, 245) DN. The tonal range of the black and white birds in direct sunlight is at the extreme of what we encounter in bird photography. In this example the range is about 10 stops and I therefore set the black and white points of the gamma curve at 6 stops below the mid-tone for the black point and 4 stops above for the white point. I then adjusted the shadows and highlights to increase the contrast (detail) in the blacks and whites. I increased the shadows by 5 stops and reduced the highlights by 3 stops. One would not normally require 5 stops of shadow adjustment but black and white birds are an extreme case. This resulted in the darkest black in the tail having RGB of about (10, 10, 10) DN, just enough to see some detail in the finished JPEG. Another critical lighting adjustment was the red channel in the bill which I allowed to just clip at R = 255 DN. The frame was cropped to give the bird some space all around and room to ‘fly’ into. The placement of the bird in the frame was guided by the rule-of-thirds. You are now invited to critique the image by deconstructing it to discover the factors that made this image stand out in the recent Black and White Birds comp. | ||||||||||||||||||
Equipment | Canon 5Ds + 600 mm f/4 II, hand-held. Manual, spot metering, AI Servo AF with 8-pt expansion, f/5.6, 1/4000 sec, ISO 320. Processed with DPP4 and PSE14. | ||||||||||||||||||
Location | Western Treatment Plant, Werribee, Victoria | ||||||||||||||||||
Keywords | in flight, adult | ||||||||||||||||||
This image is not available for download. | |||||||||||||||||||
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