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Traditionally, even with a good camera lucida, it will only work on white paper if you have just the right lighting, and it can be frustrating or even impossible to get the image bright enough unless you limit yourself to drawing on black paper.
And you have to change the lighting in the room to change the brightness of the image, then as soon as you change the lighting all the shadows change forcing you to start over. And if you're working outside, you have even less control over the image brightness because you cannot change the lighting.
The LUCID-Art eliminates these traditional lighting problems by incorporating two shatter proof optical filters that can be placed in the Top or Bottom Brace of the LUCID-Art; interchanged and combined to create nine brightness levels instantly without any lighting changes. This improvement alone changes the camera lucida from a neat device into an indispensable art tool.
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