Drops are often circular in shape, and sometimes when light is refracted through them, it makes a rainbow effect.

And you didn't have the special rainbow effects.

The rainbow effect is also commonly seen near waterfalls or fountains.

Some viewers are bothered by the "rainbow effect" - particularly in older models (explained above).

With better, faster color wheels, the rainbow effect is diminishing.

It took on a different aspect, a rainbow effect, like oil on water.

With the sun coming in through the skylights, you could see rainbow effects.

But some people see colored flashes or smears, a phenomenon called the rainbow effect.

Another common place to see the rainbow effect is near waterfalls.

An unnatural rainbow effect can also be made putting drops of water into the air on a sunny day.