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.
Get closer to your subject to simplify the background
Crouch and photograph ur subject against the sky
Find reflections
Fill the frame with different colors
Plain backround
Fill with repeating diagonals or lines
Only one of the diatonic notes
B, false, hope i am helpful
