Light

The Importance of Light

Light is so unbelievably fundamental to photography that the word itself literally translates to "drawing with light" from the Greek root phos.

Aside from the minor detail that light is essential for keeping most life on Earth alive, it also does us the massive solid of letting us see colours and shapes.

And, you guessed it, without it, photography simply wouldn't exist. You'd just be a person standing in the dark holding a very expensive paperweight.

Colour Temperature

"Colour temperature" is just a fancy sci-fi-sounding term photographers use to describe the actual hue of a light source.

We measure this by comparing it to a hypothetical reference source heated to specific temperatures using Kelvin units (K).

As a general rule of thumb:

• Below 3,200K: Warm, cozy, amber vibes (like candlelight or a sunset).

• Above 4,000K: Cool, crisp, icy vibes (like a cloudy day or a sterile office).

So, whenever you hear a pro talking about light being "warm" or "cool," they aren’t talking about whether they need a jacket; they’re talking about the Kelvin scale.

Light - Daylight

If you’re looking for the ultimate VIP of light sources, look no further than good old-fashioned daylight.

This natural powerhouse provides a beautifully well-balanced colour spectrum that is absolutely perfect for pretty much whatever you're shooting.

However, Mother Nature likes to mix things up. Natural light shifts colours throughout the day; for example, a gloomy, overcast sky will cast a distinctly blue tint, whereas direct sunlight leans much redder. This colour-shifting wizardry is exactly why your digital camera has a setting called White Balance.

White balance essentially tells your camera what the actual temperature of the light is so it can automatically neutralise any weird colour casts for you. You can take the wheel yourself in manual mode, or let the camera play chauffeur in auto mode.

Direct Sunlight

While the sun is the ultimate free light source, you need to handle it with care, especially during midday when it's high in the sky and glaring directly down like a cosmic interrogation lamp.

This brutal, direct lighting creates an aggressively high level of contrast.

Your shadows will turn pitch black, swallowing up all the beautiful details, while your highlights will get totally blown out into an indistinct white mush.

The fix? Pretty simple, actually. Just deploy a reflector or pop up your flash to push some light back into those stubborn shadows.

This is a total lifesaver when you're shooting portraits and want to avoid making your subject look like they have dark raccoon eyes.

Indirect Sunlight

Indirect sunlight is the holy grail for photographers because its clean, beautifully balanced light flatters pretty much every single subject on the planet.

A lot of beginners make the classic mistake of thinking a cloudy, overcast day means they should leave the camera at home.

In reality, a bright overcast sky acts like a massive, free studio soft-box in the heavens, diffusing the light perfectly. Take your camera out next time it's cloudy and prepare to be amazed by the rich colour quality and gorgeous, silky-soft shadows.

Sunrise and Sunset

If you want to inject some serious drama and jaw-dropping emotion into your photos, set your alarm for sunrise or head out at sunset.

This is prime time for capturing landscapes that look like poetry.

Because the sun is low on the horizon, it filters through the atmosphere to produce rich, warm red and yellow tones, a magical golden glow that regular midday daylight just can't replicate.

Sources of Light - Artificial Light

When the sun goes down, we have to rely on the electrical grid.

The wonderful world of artificial light includes:

• Light-bulbs

• Fluorescent light

• Candlelight

• Incandescent flash lamps

• Mixed lighting

The catch with artificial light is that every single one of these options operates at a wildly different colour temperature.

The good news? It’s incredibly easy to manage on a digital camera because you can instantly see the results on your screen and tweak your white balance settings until it looks just right.

Mixed light

Sometimes, different light sources with completely conflicting colour temperatures decide to crash the party at the same time. Welcome to the chaotic world of mixed light.

Picture this: you’re shooting a subject indoors under warm incandescent lightbulbs, but there’s also cool daylight streaming in through a nearby window, and you’ve just popped your flash. To survive this, look for whichever light source is the strongest (the dominant light) and set your camera's exposure to match that level.

Flash Lighting

The beauty of flash lighting boils down to two things: convenience and ultimate flexibility.

Just about every camera on the market comes with a built-in flash, and most give you the option to slide a separate, external flash unit onto the top.

Flash is one of the ultimate weapons in a photographer’s toolkit. If you take the time to actually understand how it works instead of fearing it, the quality of your photos will skyrocket.

An external flash unit is significantly larger and vastly more powerful than the tiny one built into your camera body. It docks onto your camera via a specialized bracket called a "hot shoe" or connects via a sync lead.

Pro-tip when shopping for an external flash: make sure you get one with a pivoting head that lets you angle the flash. Being able to bounce the light off a ceiling or shoot it through a diffuser will give you much softer shadows and infinitely better lighting than firing it straight ahead.

Built-in flash

Your camera's built-in flash is mostly a desperation tool, best reserved for subjects that are no further than a foot or two away, though if you get too close, it will completely wash out all your details. The built-in flash is pretty weak, mostly because it has to be small enough to actually fit inside the camera body!

Flash Lighting (Studio Style)

Walk into a professional photography studio, and you will never see a pro point a flash directly at a subject's face.

Instead, they bounce that light into reflectors, shoot it through white umbrellas, or aim it at walls and ceilings.

When you bounce light off another surface, that surface effectively becomes the new, giant light source for your subject.

Because a massive wall or umbrella is exponentially larger than the tiny flash bulb, the light spreads out and diffuses.

And in the physics of photography, a larger light source always equals a much softer, more flattering effect.

Backlighting

When you place your light source directly behind your subject, you are officially backlighting them.

Because the light is screaming toward your camera from behind the subject, it prevents the front of them from being properly lit.

The result? They’ll end up heavily underexposed or turned into a total silhouette. Your camera’s automatic brain will look at the scene, see the bright background, adjust the exposure to make that look good, and leave your foreground subject completely in the dark.

Of course, if a moody silhouette is exactly what you're going for, like a group of people framed against a dramatic sunset, this is perfect! Just set your exposure to match the bright sky, and the camera will happily plunge your subjects into darkness.

Side Lighting

Want to add some instant mood, grit, and cinematic drama to your images? Turn your subject sideways to the light.

You can ramp up the drama of side lighting by playing with how dark the shadowed side gets, anywhere from a subtle, soft shadow to total, pitch-black mystery.

You can control this intensity simply by changing the angle of your light source or tweaking the contrast of the shot to dial the shading up or down.

Front Lighting

Front lighting happens when the sun or light source is directly behind you (the photographer), shining straight onto the front of your subject.

It's the ultimate safe zone for capturing crisp, clean detail.

While it's the go-to method for a safe, well-exposed photograph, be warned: front lighting can also be a bit of a snooze fest.

Because it hits the subject head-on, it tends to flatten the image, stripping away the shadows that give an object its form, depth, and texture.

Erase too many shadows, and your photo loses its punch.

Light Painting

If you want to get weird and creative, it’s time to try light painting (also known as light writing or light graffiti).

By using long exposure settings, you can use handheld light sources to literally "paint" glowing lines and shapes right into your photo while the shutter is open.

The number one rule here is darkness. You need a pitch-black room or a very dark night; any accidental ambient light will ruin the long exposure and muddy up your masterpiece. Armed with a flashlight and a long shutter speed, you can create some truly mind-bending effects. It is an absolute blast and something you need to try at least once.

The legendary photographer Man Ray is widely credited with pioneering this technique back in the day with his "Space Writing" series. But don't worry, it's incredibly versatile and you don't need a Hollywood budget or crazy gear to do it.

All you need is your camera, a tripod (essential for holding the camera steady during long shots), and a handheld light source like a torch or your phone screen.

Light Painting: Try it yourself using these step-by-step instructions:

1. Lock it down: Lock your camera onto a sturdy tripod. Any camera shake during a long exposure will turn your photo into a blurry mess.

2. Go manual: Switch your lens to manual focus and lock your focus onto the area where the action will happen.

3. Experiment with time: Depending on your environment, exposure times will vary. Start with a shutter speed of 10 seconds and tweak it from there.

4. Hands off: Use your camera’s self-timer or a remote shutter release so you don’t shake the camera when you physically press the button.

5. Know your boundaries: Make sure your "painter" knows exactly where the edges of the camera frame are so they don't accidentally wander out of the shot.

6. Lights out: If you're indoors, flip the light switch to total darkness.

7. Action! Fire the shutter and have your subject start frantically waving and painting with their light source.

8. Review the magic: Check your LCD screen to see what you created.

9. Rinse and repeat: Keep adjusting your shutter speed and your painting movements until you get an image that looks legendary.

Lens Flares

Try to avoid letting harsh light blast directly into your lens, or you'll trigger a lens flare.

Now, if you're going for that retro, artsy, cinematic J.J. Abrams look on purpose, go for it!

Just be careful: aiming your camera directly at an intensely powerful light source (like staring at the midday sun through a telephoto lens) can actually permanently fry your camera's digital sensor.

Ready to stop guessing and start mastering the light? To learn more and get hands-on experience, book a 1-on-1 Outdoor Photography Workshop HERE >