Giant Spiderworts are difficult to photograph using the focus stack method due to the many parts that move easily in the slightest breeze. I was lucky to have perfectly calm winds the last time I visited the Lady Bird Johnson Wildflower Center in Austin, TX. I was especially lucky to have a light rain which created some fantastic drops on the flowers. Giant Spiderworts usually have three leaves and six anthers and usually only last one day. This flower was one of the better looking ones that day.
This image was taken with my Canon EOS 5D Mark III using my Canon EF 100mm f/2.8L Macro Lens. The camera was set on Manual mode with the aperture set at f/8, shutter speed at 1/20th of a second and the ISO set at 1600. I used a tripod for stability and my Kirk Focusing Rail to obtain 16 images which I brought together into one image using Photoshop and the focus stacking technique. I then finalized the image in Photoshop using Nik Color Efex Pro.
© 2017 T. Kahler Photography
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