I’ve been shooting portraits on a tight budget for a few years now, and the problem I keep running into isn’t gear. It’s light. Specifically, I’ll nail an exposure that looks technically correct and completely flat at the same time. There’s no dimension, no separation, nothing that makes the subject feel like they exist in three-dimensional space. The shot is fine. Fine is the enemy.

That’s what pulled me into this Joel Grimes tutorial. Grimes has built his reputation on a very specific visual style, high-contrast, dramatic portraits that look like they cost a fortune to produce but break down into repeatable, learnable steps. When I watched this one, I stopped and rewound about four times. Not because it was complicated, but because each time through I caught something I’d glossed over.

The Core Problem He’s Actually Solving

What Grimes is working through here isn’t just “how to light a person.” It’s how to create separation between subject and background while keeping the whole image feeling cohesive rather than pasted together. That’s a harder problem than it sounds. You can blow out a background to separate your subject, sure. But then you lose depth. You can underexpose the background to add drama, but now your subject starts to disappear into it.

His answer is a controlled ratio between the ambient light and his strobe output. He’s not fighting the existing light. He’s using it as a foundation and layering his strobe on top with enough power to win the exposure battle without obliterating what was already there.

How He Actually Builds the Exposure

The sequence matters here. Grimes doesn’t start by metering for his subject. He starts by setting his camera to expose for the background alone, with no flash firing. He’s locking in the ambient reading first, typically underexposing the background by one to two stops from what a straight meter reading would give him. This is intentional. That slightly dark, moody background is the canvas.

Once that ambient exposure is dialed in, he brings in his strobe. The key light is positioned to create a strong but not harsh fall-off across the face, with enough power to properly expose the subject at the aperture he’s already locked in for the background. The result is a subject who looks naturally lit but pops off the background because the two exposures are working together rather than competing.

He pays particular attention to the ratio between highlight and shadow on the face. He’s not looking for flat, even light. He wants dimension, meaning the shadow side of the face should fall off noticeably. If the shadow side is more than about two stops under the highlight side, things start to feel theatrical in a way that doesn’t always work. Less than one stop and you lose the drama. That one-to-two stop range on the face is where the portrait starts to look like a Grimes shot.

The Background Separation Move Most People Skip

Here’s the piece I’d missed before watching this. Grimes adds a second light source aimed at the background or at the subject from behind, specifically to create an edge or rim that visually separates them from the environment. It doesn’t need to be bright. It just needs to be brighter than the background by enough to create a line. That edge light is what makes the subject read as three-dimensional rather than flat against the scene behind them.

On a tight budget, this is where I’ve had to get creative. A second strobe is ideal, but a bare speedlight on a stand with a grid, placed behind and to the side, does the job at a fraction of the cost. The grid keeps the light from spilling everywhere and contaminating your carefully metered background exposure.

Where I’d Push Back (Just a Little)

The Grimes approach assumes you have reliable, repeatable strobe power, which is true if you’re working with studio monolights or quality speedlights. Where I’ve seen this technique get shaky is with entry-level flashes that don’t recycle consistently or whose color temperature shifts as the battery drains. The ratio he’s building depends on predictable output. If your flash is throwing off half a stop of variation between pops, the whole thing falls apart.

My fix for that, learned from a lot of trial and error, is to shoot tethered or at minimum to use a gray card exposure check after every battery swap or major power adjustment. It adds a step, but it protects the work you’ve already done building the ambient layer.

I’d also note that this technique is specifically powerful in lower-ambient-light situations. I tried applying the same logic on a bright midday shoot outdoors and had to push my strobe power so hard to overpower the sun that the shadows on the face lost their gradual transition and started looking carved. Golden hour or overcast days are where this approach really sings.

The Single Thing I’m Taking Back to My Own Work

Control the ambient first. Lock it in before you touch the strobe. That sequencing shift changed how I think about every portrait setup now, and it’s the part of this tutorial that’s immediately actionable whether you’re shooting with a $200 speedlight or a $2,000 monolight.

Watch the full video from Joel Grimes to see the visual demonstration, because seeing the light actually move across the face during his breakdown is worth more than any written explanation including this one.