optical effects

American  

plural noun

Movies, Television.

1. special visual effects, as the wipe or dissolve, created in the camera or especially in a film laboratory by technicians using complex optical and electronic equipment.

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Example Sentences

See Examples For:

optical effects

These materials can also produce new colors of light through nonlinear optical effects such as second-harmonic generation.

From Science Daily ● Mar. 24, 2026

The enhanced clarity is why VistaVision hung on longer with the makers of old-school optical effects, serving as a workhorse for the original “Star Wars” trilogy and other pictures into the 21st century.

From The Wall Street Journal ● Nov. 12, 2025

Though halos are not uncommon in the UK, the combination of other optical effects is more unusual.

From BBC ● May 29, 2023

Light entering a medium with a negative index of refraction, on the contrary, would bend backward, creating unexpected optical effects, such as a straw appearing to lean the wrong way.

From Scientific American ● Nov. 18, 2022

Hitherto it had been supposed that double stars were mere optical effects.

From A History of Science — Volume 3 by Williams, Henry Smith