Refraction reversal
Lord Vetinari
Registered Users Posts: 15,901 Major grins
Couple of shots of a flower refracted by gas bubbles in sheet ice.
Both shots focus stacked either by hand or using zerene stacker. An interesting phase reversal on the normal dewdrop refractions.
Brian V.
Both shots focus stacked either by hand or using zerene stacker. An interesting phase reversal on the normal dewdrop refractions.
Brian V.
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Bravo
http://www.flickr.com/photos/devil_macro
Mick It was just a thinnish ice sheet off the top of water in a bucket propped up at one end over the flower.
The hard bit is trying not to get flash glare off the surface of the ice.
Brian V.
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Thanks Brian
Ronny
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Phil - asked a lens expert about the optics of this and apparently this type of air lens does form a virtual image of the subject the right way up and behind the lens whereas the more normal water lens forms a real image upside down in front of the dewdrop. As they pointed out you can see the image position when you are focus stacking.
Brian V.
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Brian v.
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