Answer:
The camera obscura later became a popular tool during the Middle Ages and the Renaissance, particularly after inventors began using biconvex lenses to brighten its images. Astronomers used it to protect their eyes while observing the sun and solar eclipses, and artists employed it as an aid in portraiture and landscape painting.
Explanation:
i do believe Formalisim (they lie)
Copyright is a tool to protect the right that the owner has over his product.
<h3>What are copyrights?</h3>
Copyright is a tool that allows the author of a text, image, video, song, among others, to profit from their product and to have credit for its creation.
On the internet we generally find millions of images, however most of them are copyrighted so if we want to use them we must mention their author to give them credit for their creation.
On the other hand, there are public domain resources because the person who created them has no problem with others using them for different purposes. These resources should not be referenced because anyone can use them.
Learn more about copyright in: brainly.com/question/14704862
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Answer: Classical art techniques. I hope this helped you out, I am not to sure. sorry if it is wrong.
