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Gegenlichtmessung LensFlare.svg Schematischer Versuchsaufbau zur Messung von unerwnschtem Gegenlicht Schematic experimental setup for measurement of unwanted lens flare Gegenlichtmessung UTC Gegenlichtmessung Bautsch Jan CET Bautsch de derivative work Gregors Redrew as svg Gregors Gegenlichtmessung GegenlichtmessungLensFlare