Canon 20D vs. Film ISO400. Canon 20D vs. Film ISO1600.

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Presentation transcript:

Canon 20D vs. Film ISO400

Canon 20D vs. Film ISO1600

Fuji F mm μm 2 /pixel Sony W mm μm 2 /pixel Panasonic FZ mm μm 2 /pixel Canon G7 38.2mm μm 2 /pixel Canon Rebel XT mm μm 2 /pixel

Chrominance Noise Variation in color Luminance Noise Variation in brightness Random Noise Fluctuation in light input (random distribution of photons)

Fixed Pattern Noise -Consistently reproducible noise -Caused by electronics, sensor defects, heat -Manifested as “hot pixels” or luminance anomalies -Since noise is reproducible (non-random), easily fixed by dark frame subtraction

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