I took the SmallRig RF 20C out during sunset hours here in Warsaw. It's a 20W focusable spotlight roughly the size of a large flashlight. After shooting with it on my Sony A7IV, I'll be honest. The results looked purely cinematic.

Every photographer who shoots in a city knows this moment. The sun drops behind the skyline, the sky turns amber, the buildings start to glow, and your subject's face sits in shadow. Expose for one, and you lose the other. Neither looks like a movie. Eventually that's the exact problem I wanted to solve. Let me show you what I did with the SmallRig RF 20C light.

🎥 Prefer video? Watch the full SmallRig RF 20C test on YouTube.

What the SmallRig RF 20C Actually Is

The RF 20C is the second generation of SmallRig's portable spotlight series. It sits above the 10W RF 10C and the 5W RF 05B in the lineup. For instance, picture a flashlight-shaped LED with a sliding front lens that takes the beam from a tight spot to a wide flood.

The body is anodized aluminum, and there are 1/4"-20 threads, so you can mount it on a light stand, a magic arm, or a cage. In the box, you get the light, a silicone gobo holder, and a set of 20 pattern gobos. I tested the standard version (model 5335). SmallRig also sells a kit (model 6377) that adds the SP Air Spotlight projection lens for sharper gobo work. I didn't use that kit for this review.

SmallRig RF 20C Specs That Matter in the Field

Here are the numbers that actually affect how the light behaves on location:

• Output: 20W constant. SmallRig rates it at 5,400 lux at 1 meter (5600K, spot mode).
• Color accuracy: CRI 97+ and TLCI 99+ at 5600K.
• Beam angle: 24° to 60° via a push-pull plano-convex lens.
• Colors: 5600K white, plus red, purple, orange, and cyan.
• Battery: built-in 5,000mAh, about 1.5 hours at full power and around 3 hours in typical use. USB-C PD 36W fast charging with pass-through.
• Size and weight: 49mm diameter, 200mm long, 520g.
• Price: $67.99 at launch.

The jump from the previous generation is significant. A third-party review published on SmallRig's blog measured roughly 6,700 lux at one meter with the beam fully zoomed in, compared to under 500 lux from the RF 10C. Outdoors, that extra punch is the whole point.

One correction worth making. Some retailers list the RF 20C as an RGB light, but it isn't. You get 5600K white and four fixed colors, with no hue wheel and no bi-color Kelvin dial. Given that detail matters a lot at golden hour, as you'll see in a second.

The Warsaw Sunset Test

I shot everything on a Sony A7 IV with a Sigma 35mm F1.2, during the last 50 minutes before sunset. I used the RF 20C in two roles. As a key light on my subject's face, and as an accent light in the background.

Setup 1: Key Light on the Face, Blended With the Sun

In other words, here's the catch with any daylight-balanced light at sunset. Golden hour usually lands somewhere around 3,000K to 4,000K. First thing to remember, the RF 20C's white mode is 5600K. All in all, next to a warm sky, that makes skin look cold and clinical.

My fix was the orange LED mode. Instead of fighting the sunset, the light extends it onto the subject. I placed the RF 20C 45° off-camera, slightly above eye line, at about 2 meters distance, on the same side as the sun. Then I zoomed the beam in. The falloff at the edge of a narrower beam is what sells it. It reads as a slice of late sun hitting the face, not as a flash.

I kept the output low with the dimming knob. My rule here is simple. If the viewer can tell a light is there, it's too bright.

Setup 2: Background Accent

For the second setup, I zoomed the RF 20C all the way to 24° and aimed it at [background element, e.g. a doorway or wall texture] behind my subject. That small pool of light pulls the background out of the shadows and adds depth to the frame.

This is where a spotlight really earns its place in the bag. A small LED panel would spill light everywhere. The RF 20C puts it exactly where you aim it.

Why the Result Looks Cinematic

Three things are doing the work.

First, the light is motivated. It appears to come from the sun, so the brain accepts it.

Second, the beam is shaped, so it has contrast and falloff instead of a flat, even exposure.

Third, lighting the background separately creates layers, and layers make a still frame or video clip feel like a scene.

What I Didn't Love

Weight and ergonomics are my biggest complaint. 520g sounds light on a spec sheet, but holding it at arm's length while directing a subject gets tiring fast, and the cylindrical body doesn't give you much to grip. A light stand or magic arm solves it, at the cost of some grab-and-go appeal.

A few other limitations are worth knowing before you buy.

• No bi-color. You can't dial in an exact Kelvin value, so warm-light matching depends on the orange mode or gels.
• Battery at full power. 1.5 hours is fine for a sunset session, but plan for longer shoots.

Who Should Buy the SmallRig RF 20C?

The RF 20C makes the most sense for street and portrait photographers, solo filmmakers, and content creators who want a hard, shapeable light that fits in a camera bag. If you like motivated lighting, accent lights, or adding a sliver of sun where there isn't any, it's easy to recommend. Lens-wise, a fast prime like the one in my Sigma 35mm F1.4 DG II Art review makes the most of the separation it creates.

It's not the right tool if you need a soft, wide key light for interviews (look at a panel or a softbox setup), or if precise Kelvin matching is non-negotiable for your work. In that case, a bi-color light is the better buy.

Final Thoughts

The SmallRig RF 20C does one thing really well. It gives you a bright, shapeable beam in a body that travels anywhere. Paired with the orange mode at sunset, it turned my Warsaw golden hour sessions into frames that feel like they were pulled from a film. It's heavier in the hand than I'd like, and it isn't a do-everything light, but for the money it's one of the most useful small lights I've tested.