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NASA Color Trick Was Meant for Mars. Now It's Unveiling Rock Art on Earth
Worth a Look
Canon EOS Rebel T7 DSLR Camera — The image-enhancement trick NASA built for Mars only works as well as the photo you feed it, and the Rebel T7 is an accessible DSLR for capturing high-resolution shots of faded pictographs in tricky cave light. Shoot in RAW, bring the files home, and let software like DStretch pull out pigments your eyes can barely see. It's a solid entry point for anyone who wants to try rock-art documentation on their own hikes.
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