Albrecht Dürer was the
German artist who published theoretical writings and manuals on the technical
concerns of painting.
Dürer was a painter,
printmaker, and theorist of the German Renaissance who reinforced by his artworks
with theoretical treatises, which involve principles of mathematics,
perspective, and ideal proportions. He published two theoretical books – “Four
Books on Measurement” (dimension) and “Four Books on Human Proportion”.
Answer: Fisheyes are almost always used for underwater photography where there are no straight lines to worry about. They also produce sharper images with brighter colors than a rectilinear lens. Depending on your composition, a fisheye can be used to enhance the curvature of the earth
Explanation: I don't know why you are using it. sorry.
pentatonic scales are never used in popular music is the answer
for example ariana grande used the pentatonic scale in most of her songs
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VOLCANIC ASH :) oops sorry for caps. Hope this helps