Omar Rayo was a Colombian artist best known for his geometric abstract paintings. Associated with the Op Art movement, Rayo distorted and overlapped forms to create a sense of vibrating light and ...

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

Op Art, also known as optical art, is a type of art that features optical illusions. The way that lines, shapes, space and colour are used can fool our eyes and brain to see movement that is not ...