Tutorials Motion

A History of Visual Effects in Film

History · ~18 min

Overview

Visual effects history moves through distinct eras defined by what technology made possible: in-camera trickery, then optical compositing, then digital compositing and CGI, then real-time virtual production, and each new era supplemented, rather than fully replaced, the techniques before it.

What You Need

No equipment required. This is a reference and context guide, not a hands-on tutorial

Steps

In-camera and practical effects (1900s-1970s)

Georges Méliès' early 1900s trick films used stop-substitution splices, double exposures, and other in-camera techniques to create the first purpose-built visual effects, well before any electronic compositing existed. For decades afterward, effects work meant physical models, matte paintings on glass, forced perspective, and in-camera multiple exposures: techniques that reached a technical peak with 1970s films that combined miniatures, motion-control cameras, and optical compositing to remarkable effect.

Optical and early digital compositing (1970s-1980s)

Motion-control camera systems (precisely repeatable camera moves, enabling multiple passes of the same shot to be combined) and optical printers (physically combining multiple film elements through re-photography) defined the effects-heavy blockbusters of the late 1970s-1980s. The first fully computer-generated effects shots began appearing in this same period, initially as isolated novelties within otherwise traditionally-shot films.

CGI becomes dominant (1990s)

Jurassic Park (1993) is a frequently cited turning point where photorealistic CGI creatures were combined with practical animatronics and models in the same film, demonstrating that digital and practical effects could be blended convincingly rather than digital simply replacing practical outright. Through the rest of the 1990s, digital compositing software replaced optical printers for combining film elements, and fully CG effects sequences became commonplace rather than novelties.

Virtual production and real-time engines (2010s-present)

Real-time game-engine rendering technology, combined with large LED video walls displaying dynamically-rendered digital backgrounds behind live actors, enabled a production technique (sometimes called virtual production) that lets filmmakers see a near-final composited image live on set rather than only in post-production months later. This represents a genuine convergence of practical (an actual physical set, real lighting on the actor) and fully digital (a computer-rendered background) approaches, rather than either replacing the other.

Pro Tips

Practical and digital effects have never been strictly sequential. Jurassic Park's blend of animatronics and CGI in 1993 is a direct precedent for today's mixed practical/digital approach, not an exception to a clean digital takeover.
Motion-control camera systems from the 1970s-80s solved the same problem (combining multiple perfectly-aligned camera passes) that green-screen compositing solves today, just with a mechanical rather than a software-based solution.
Virtual production's LED-wall technique is often mischaracterized as 'replacing green screen'. It's better understood as a different tool with different tradeoffs (real interactive lighting on the actor, but real practical limitations on wall resolution and set geometry).

Knowledge Base

What You'll Learn

Visual effects history moves through eras defined by available technology, but the pattern that recurs throughout is combination rather than replacement. Every new technique has coexisted with, not fully displaced, what came before it.

Quick Timeline

Early 1900s: Méliès' in-camera trick photography.
1970s-80s: Motion-control cameras and optical compositing peak.
1993: Jurassic Park blends photorealistic CGI with practical effects.
2010s-present: Real-time virtual production with LED volumes.

Why This Still Matters

This site's own green-screen and motion graphics tutorials sit within a century-long tradition of combining practical, in-camera elements with an added synthetic layer, understanding that history helps frame green screen not as 'the digital era's technique' but as one more entry in a continuous line of compositing solutions.

Where This Fits

This guide covers one specific part of the history of media technology. The wider picture — how each link in the chain from capture through transmission to display was actually built, who built it, and why the credit so often landed somewhere else — is in A History of Broadcast Technology: The Chain From Capture to Screen, which frames the discipline as a whole and links out to the detailed guides underneath it, including this one. If you are starting from scratch rather than solving a specific problem, read that first and come back here.

FAQ

Q: Did CGI make practical effects obsolete?
A: No, major productions routinely combine both, using practical effects (physical sets, models, animatronics, in-camera lighting) where they provide superior realism or actor interaction, and CGI where it enables shots practical methods can't achieve safely or affordably. The two approaches are generally treated as complementary tools, not competitors.

Q: What is virtual production, and is it replacing green screen?
A: Virtual production uses real-time rendered digital backgrounds displayed on large LED walls behind live actors, giving the crew a real-time composited view and real interactive lighting on set. It's a genuine alternative to green screen with its own tradeoffs (wall size/resolution limits, moiré and color-matching considerations) rather than a strict replacement. Many productions still use green screen where it's the better fit.