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UltravioletPhotography

Petroleum


Harald

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Hi,

My first post.

This is Quartz with Petroleum inclusions from Pakistan. Photographed with EOS 5D II and MP-E65. Convoy S2 365nm from behind.

The crystal is about 10mm tall. Stacking of 200+ images

 

post-295-0-21180400-1581974170.jpg

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Excellent angle.

I look forward to seeing more minerals.

I keep meaning to take a convoy on hikes, but for get. We have some interesting quartz around us. But not nicely polished like this.

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The initial post says 10mm. Meaning we are around 3X at least, thus a high number of images are required for a good stack of a "deep" 3-D object.
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Hi,

First, I´m not sure how it's formed in nature. There must be some bobles in the crystallisation and somehow the petroleum seeps in.

 

As for stacking, I use a large aperture to avoid distortion, that's why I need so many frames. In addition to get a smooth and sharp image I also use some overlapping.

StackShot is used to automate the recording of each image

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