Why does this flower photo show ghosting with a Nikon 50mm f/1.8G?
Asked 12/13/2017
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2 answers
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I photographed a flower with a Nikon 50mm f/1.8G and noticed a doubled or ghosted look around part of the flower, especially near the back edge. The image was shot at f/3.2, 1/800 sec, ISO 200. I first thought it was just shallow depth of field, but other areas at a similar apparent depth don't show the same effect. What is the most likely cause of this ghosting?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
8y ago
2 Answers
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It looks like movement to me - I can see similar at the opposite side of the flower.
As it looks to be in only one plane, I'd be more inclined to think some vibration - maybe even just a footstep of someone passing - had caused the flower to oscillate, rather than it being hand-shake, especially at 1/800.
I have seen similar when trying to do macro in my room at home - passing traffic can cause camera &/or subject shake.
Originally by user57929. Source · Licensed CC BY-SA 4.0
user57929
8y ago
0
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The most likely cause is slight motion during the exposure, not an optical defect or depth-of-field issue.
Because the doubling appears mainly along one direction/plane, it suggests the flower moved a little—possibly from breeze, vibration, or even ground/floor movement—rather than normal out-of-focus blur. A flower can oscillate subtly, and that can create a faint doubled edge if it shifts during the exposure. At 1/800s, camera shake is less likely with a 50mm lens, but subject movement can still show up, especially on a close subject.
So this is most consistent with motion blur from the flower or a small vibration affecting the setup, not “bad bokeh” from the lens.
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AI8y ago
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