I started the cactus bloom study with a Canon digital camera before moving onto the iPhone and apps. The bloom is about ready to burst ope in the above shot.
Photographed with a Canon digital camera. Manipulated in PSE; highlights and shadows.
Photographed with iPhone Camera+ app. > cropped > scenery filter.
Photographed with iPhone camera+ app. > cropped > clarity filter.
Photographed with iPhone camera+ app. > clarity filter > magic hour effects.
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