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How to work with the narrow latitude of color reversal (slide) films - By Yusuf Wiryonoputro « EMULSIVE
Exposure latitude is defined by the satisfactory range between the shadow and highlights at which details can still be visible and color reversal (slide) films are known to have exposure latitudes that are much narrower than black and white, or color negative films. Accurate metering is important when using films with narrow exposure latitude and graduated ND (GND) filter usage can be very helpful, especially when shooting landscapes.