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SPECIFICATIONS Focal Length (mm) 75.0 Format φ11 Aperture 1:2.8 Mount C F.A. Diagonal <=0.3% Dimension (mm) Φ37.5mm×71mm M.O.D. (m) 1.2~∞ B.F.L. (mm) 17.50 Max. Distortion:≤0.3% Major features: 1. ...