18% Gray by Anne Tenino5/28/2023 This card is strictly used BEFORE the shoot to adjust for the specific lighting conditions and users really don't even need to shoot the image of the card - just make the camera adjustments. To use the card, place the 18% Gray Card by the subject you are shooting then setup the exposure using the cameras manual controls. In other words the 18% Gray should only be used to check lighting ratios and lighting distribution to set exposure. Light meters work the same way using the 18% Gray as well. We use 18/% Gray because of the amount of light that is reflected off this card and how the cameras sensors interpret this data allows users to manually setup exposure that can be used in the RAW workflow with dSLR cameras or video cameras. The 18% Gray Card’s main purpose is to allow users to make adjustments to their camera that affect or rather allow users to setup correct exposure at the beginning of any photo sessions. What is an 18% Gray Card verses a White Balance Card? 18% Gray Card
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