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

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

  • Slide 1
  • Canon 20D vs. Film ISO400
  • Slide 2
  • Canon 20D vs. Film ISO1600
  • Slide 3
  • Fuji F30 44.4mm 2 7.27 m 2 /pixel Sony W80 24.7mm 2 3.42 m 2 /pixel Panasonic FZ50 38.2mm 2 3.78 m 2 /pixel Canon G7 38.2mm 2 3.82 m 2 /pixel Canon Rebel XT 328.56mm 2 41.07 m 2 /pixel
  • Slide 4
  • Chrominance Noise Variation in color Luminance Noise Variation in brightness Random Noise Fluctuation in light input (random distribution of photons)
  • Slide 5
  • 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