TAMRON SP 500mm F8 mirror lens
by John Farrar
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Visiting Canyons in South of Brazil (2014)
by Joao Pedro Assumpcao Bastos
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Sigma 600mm Mirror Lens
by Charles Durrant
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F8 and Be There
by The Big Giant Head
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Lower left corner
by Martin Drahomirecky
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Lens Test on Canon EF 28-135mm IS
by Codino Divino
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G-Hologon T* 16mm F8
by koji kawakami
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28 MEI COPA tournooi
by boegheim
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ILEX 3 INCH (80mm) f1.3 Oscillo-Paragon Medium Format Lens
by Yu-Lin Chan
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Tamron SP 500mm / f8 Mirror.
by Dave Thomson
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