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Petr Marsal: QoF AF-S 18-55 f3,5-5-6 ED
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Petr Marsal: Aperture Sharpness of Nikon 85/1,8 G after Microadjustment on D7100
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Petr Marsal: Aperture Sharpness of Nikon 70-200/4 after AF Microadjustment on D7100