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Wollensak Oscillo-Anastigmat 75mm f1.9-1
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20150802-IMG_0125_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount
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20150802-IMG_0127_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount
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20150802-IMG_0132_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount
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20150802-IMG_0236_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount
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20150802-IMG_0246_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount
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20150802-IMG_0251_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount
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20150802-IMG_0255_Wollensak Oscillo-Anastigmat 75mm f1.9 modified to M42 mount