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

The team also explored nonlinear optical effects by adjusting the cavity geometry so that the resonance shifted into the near-infrared range.

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

In some way I imagine the organs are optical effects, ruled by mind, which is located in this luminous matter.

From The Certainty of a Future Life in Mars by Gratacap, L. P.