Lighting choices can make or break a video. Beyond its role in exposure, the lighting design plays a fundamental role in the artistry of a film.

There are countless techniques for lighting in video. "I always want to try something new, play with the light, and find new possibilities," says DoP and Canon Ambassador Juhana Simelius. "But the basic principles of lighting are always the same."

Juhana and his wife Nana head up creative Finnish video and photography production studio Simelius Simelius, which works primarily with clients in music, fashion and advertising. Juhana has a background in stills photography and confesses that the move to cinematic lighting was challenging to begin with. "I learned to shape light for still photos, and then tried to apply those principles to cinematography," he says. "With a still photo, you're often lighting a single subject, but with cinematic lighting, everything happens on a much bigger scale."

Cinematic lighting techniques enable you to form a specific look and capture evocative moments. Lighting for video is both functional and creative, enabling you to not only achieve the required exposure, but also to add depth to scenes, direct the viewer's attention towards a subject and augment your film's story.

Key lighting for video

The key light is the main light in a video lighting plan. Once its position is finalised, you can build the rest of your lighting scheme from there. Key lighting doesn't have to come from directly in front of the subject. You could position the key light to the side or behind the subject, and perhaps use reflected light or the fill light to open up the shadows.

If you're shooting outdoors in daylight then the Sun can act as the key light, although on clear days you may need to reach for reflectors and bounce cards to reduce contrast.

Fill lighting for video

A single key light will create shadows across a subject. While this can be used to reveal texture, shape and form, fill lighting can produce a more balanced result. A fill light is positioned opposite the key light with the power dialled down so that it brightens the shadows without removing them completely.

Fill lighting can be provided by light that's reflected or bounced from the key light, but a dedicated fill light will provide more control.

Backlighting versus side lighting for video

Backlighting is the final light in a traditional three-point lighting setup. Aimed at the back of the subject from a slightly raised position, it provides a halo that helps to separate the subject from the background. You can leave the backlight bare to provide a hotter rim light or diffuse it to soften and spread it over a wider area. Backlighting can also be used as a video lighting technique on its own to create a silhouette.

Like backlighting, side lighting adds dimension, provides separation and creates drama. Positioned parallel to the subject, side lighting can be used to achieve the chiaroscuro 'light-dark' painting effect.

Soft light versus hard light for video

The main difference between soft light and hard light is size. The larger the light source and the closer it is to a subject, the softer the light becomes. Hard light is generated by a point light source, such as the Sun or a bare bulb.

Soft lighting creates softer shadows and more flattering skin tones. Hard lighting increases contrast with bright highlights and sharp shadows, so is best reserved for moments where you want to emphasise texture, create a silhouette or ramp up tension.

Lights can be softened in inexpensive ways, such as using silks or diffusion gels, or by simply bouncing the light. Some lights generate high levels of heat, which you should consider when choosing the type of diffusion.

Bounce lighting for video

Bouncing the light off a large surface rather than aiming it directly at the subject or scene spreads the light over a wider area, softening it at the same time.

High-key versus low-key lighting for video

High-key and low-key are effective lighting techniques for influencing the emotional tone of a scene or film. High-key lighting lowers the contrast between dark and bright areas. By reducing the key-to-fill light ratio, the image takes on a clean and airy look with minimal shadows. This bright, soft lighting suits comedies, commercials and productions that need an upbeat, positive feel.

"I'd typically use high-key lighting for a beauty video shoot, with two symmetrical back lights and a beauty dish in front to give a nice, soft look to the model's face," says Juhana.

Unlike high-key, low-key lighting emphasises shadows. It uses little – if any – fill light, allowing hard shadows and dark tones to fill the frame. The high-contrast look is often used to underscore the drama and mystery of thrillers and horror films.

Ambient lighting for video

Ambient lighting is created by any light source that hasn't been added by the cinematographer or gaffer. Ambient or available light can include natural light and practical lights that already exist at a location, such as the overhead lights in a room. Documentary filmmakers and hybrid shooters typically have no option other than to use ambient lighting when filming on the fly.

Natural lighting for video

You can react more quickly if you don't have to set up and power artificial lights. Natural lighting is also free – although scrims, reflectors, flags and other video lighting accessories may be required to manage the highlights and shadows.

Time of day is crucial for filming with natural lighting, with the warm light at dawn and dusk, or the cool hues of the blue hour enabling the creation of evocative cinematic images.

Practical lighting for video

'Practicals' are sources of light that the audience sees on screen, such as table lamps, television sets, car headlights and candles.

As well as providing a source of illumination, practical lights help to build the cinematic world of the film and immerse the viewer in the story. They can be a prop, such as torches held by the characters in a horror film, or simple background details that add depth and visual interest to the frame.

"I really like to include practical lamps in a scene where possible, and then put a diffusion filter on the lens to add a glow to the highlights for a moody look," says Juhana. "Having a few practical lamps can provide the motivation for off-screen lighting as well."

Motivated lighting for video

Motivated lighting is used off-camera to imitate and accentuate existing light sources that appear in the frame. As the name suggests, motivated lighting needs a logical reason to be there. It should make sense to a viewer and not leave them questioning what the source of the light is.

To create a cohesive look, colour correction gels can be used on the motivated light sources to match the colour temperature of the lights in-shot. Diffusers and other light modifiers can be used to soften and shape the motivated lighting as well.

"I sometimes use LEDs to supplement the natural light of blue hour as it's easy to change the colour and adjust the power to make the light blend in," adds Juhana.

澳门现金网_申博信用网-官网 System and Canon Cinema EOS cameras and RF lenses offer a wealth of practical functions that enable you to make the most of your lighting scheme in the studio or on location.

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Of course, just as motivated lighting and practical lighting go hand-in-hand, many of the other lighting techniques we've covered above can be combined. By blending natural light with artificial light, adding practicals and motivational lighting, and experimenting with lighting accessories, you can build layered lighting schemes that give your videos a truly cinematic feel.