Canon 24-105 L f/4 vs Sigma 17-70 f/2.8-4.5
by Alexis Hadjisoteriou
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CZJ Biotar 1:1,5 f=7,5cm (Zenit M39 mounted)
by koji kawakami
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Industar-50 1:3,5 F=5cm M39 (RUS0360)
by Jaap Schelvis
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Soligor Wide 1:3.5 f=35mm M42 (SOL0248B?)
by Jaap Schelvis
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Meyer Optik Görlitz Telemegor 180mm f/5.5
by Mike Lempert
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Meyer Optik Görlitz Telemegor 150mm f/5.5
by Mike Lempert
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Nikkor AF-S 200-500mm f/5.6E ED VR Lens
by henrywong
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Anastigmat . Victar 1:2.9 F= 5 cm M40 (KWD 0080)
by Jaap Schelvis
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Test Sony FE 200-600mm f/5.6-6.3 G OSS
by GaleriaFotoStefan
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Ai AF NIKKOR 28-85mm f/3.5-4.5S
by koji kawakami
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