You can always enhance them on a photo editor if it don't take away from your art. You can sharpen the image or put hdr filter on. That would probably help. Imo.

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you can modify it a bit w photoshop or any photo editing software just to make it appear more scanned in!! i did this very quickly w my phones camera app

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just better lighting. i have a cheap desk lamp that i blast onto my artworks so i can take a brighter pic

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The second is hdr i like this one better. This is variations. If you need it lighter the photo scan is also an option. This is just a simple adjustment. And lighten the paper so the drawings will stand out. I hope this helps have an awesome day everyone. 😊

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You could easily tweak the shading and color. Without losing your art sketch. It is an option.

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