Nikon D50, Sigma DG 70-300 mm 4.0-5.6 Apo Macro, Hand-held, Focal Length 95.0 mm, f/4.2, 1/2500 s, Exposure Bias: -0.3, WB - Auto, ISO-200, Metering - Centre Weighted Average, Flash - No, Mode - Aperture Priority. Sharpness, brightness-contrast, and slight increase in saturation in PS-CS2 ...