Gregg Obst:
Experiments with using filters with Pinhole
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Graffiti bridge pinhole
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Francis Walter Dam 6x9 pinhole
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Francis Walter Dam 6x9 pinhole
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Gettysburg Sickles Ave Pinhole
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First Regiment Vermont Calvary monument. Gettysburg Pinhole.
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Pinhole at Fairview Cemetery
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Gettysburg Battlefield trees on pinhole
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Gettysburg Battlefield broken fence