Scratches Handling & Storage Artifacts:Light fog white light leaks or improper safelights filter Handling & Storage Artifacts:Radiation fog X-ray exposed(eg. Appearance: regular intervals perpendicular within direction of film travel Processing Artifact: Wet Pressure SensitizationĬauses: Irregular or dirty rollers Appearance: Water marks forms a series of dark stripes that mark the grooves on the rollers Handling & Storage Artifacts: Can be caused by improper handling or storage either before,during and after processing Light Fog Rollers are 1 inch in diameter and 3.1415 inches represent one revolution of a roller. Or green stains Processing Artifacts: Guide-Shoe MarksĬauses: made by jagged edges of the guide shoes because they are bent, worn, damaged, incorrectly installed or incorrectly adjusted and run parallel to the direction the film travels Appearances: Linear scratches on image Processing Artifacts: Pi Lines Occurs when emulsion is removed from the film base May be result of two images stuck together before or during processing and pulled apart or glutaraldehyde failure Processing Artifacts: Gelatin Buildup Emulsion removed from previous films that is either stuck on processor rollers or dissolved in the developer solution is deposited on subsequent images Processing Artifacts: Chemical Fog/Curtain Effect/Dichrotic StainĬauses: improper or inadequate chemistry, in slow processors the chemistry Appearances: S/F Processing artifacts: Most are pressure-type artifacts caused by the transport system of the processor Emulsion pick offĭichrotic stain Processing Artifacts: Emulsion pickoff
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