When it comes to lighting, choosing the right beam pattern can make all the difference - whether you’re navigating an off-road track, backing up the trailer at night, or cruising down an open highway. Our work lights and light bars are designed with precision-engineered reflector geometry to shape light exactly where you need it. In this guide, we’ll break down the three main beam patterns - Spot, Combo, and Scene - to help you choose the right setup for your next adventure.

How beam patterns work

A beam pattern is determined by two main factors: the light source (LED), which produces the light, and the optical system (reflector or lens), which shapes and directs it. In most high-performance work lights, the reflector’s geometry — including its curvature, depth, and surface finish — dictates how light is distributed, defining its reach, width, and intensity. A deep reflector concentrates light forward for greater distance, while a shallow, flat reflector spreads it wider but with less projection. In short, reflector geometry decides whether a light throws far, wide, or evenly.

Spot Beam – Built for Distance

The Spot beam produces a narrow, concentrated column of light that projects far ahead with very little side spill. It’s designed for clarity at distance — letting you spot obstacles or changes in terrain well before they’re close.

This pattern is achieved using deep parabolic reflectors that focus light into an 8° beam. Every bit of light is channelled forward in a tight, controlled pattern, delivering exceptional reach and definition down the road.

Spot beams are particularly effective when driving at higher speeds on highways or long country roads, where extra distance means more reaction time and confidence.

Ideal applications:

• Highway or country driving at speed

• Open off-road terrain or desert touring

• Forward-facing mounts such as ditch lights, bull bars, roof racks, A-pillars, bumpers or grilles

Spot beams deliver unmatched projection but limited peripheral vision — which is why many drivers combine them with Combo beams for a more complete forward-facing pattern.

Combo Beam – The All Rounder

The Combo beam combines the characteristics of Spot and Spread patterns, providing a strong forward throw with added width to illuminate the track edges. It delivers a broad and balanced beam pattern - ideal for general use where both reach and spread are needed.

This is achieved using the same parabolic reflector base as the Spot beam, but with vertical fluted optics on the outer sections. These flutes scatter and diffuse light outward, trading a small amount of distance for a wider field of view and more usable side illumination.

Combo beams are excellent for lighting up the road ahead as well as the periphery - offering a practical middle ground between long-range projection and area coverage.

Ideal applications:

• Mixed driving conditions - open roads, winding trails, technical tracks

• Touring setups where distance and side vision are both important

• Forward or angled-out mounts: ditch lights, A-pillars, bumpers, bull bars, roof racks

Combo beams are versatile and forgiving, making them the go-to pattern for most drivers. Often paired with Spot beams, they create a comprehensive lighting spread that combines distance with usable width.

Scene Beam – Wide, Even Coverage

The Scene beam provides a blanket of even illumination across a wide 120°+ area. Instead of projecting light far, it floods the immediate surroundings with smooth, shadow-free brightness — perfect for work and recreation.

This is achieved using shallow, flat-style reflectors that spread light evenly across both horizontal and vertical planes. Without a concentrated hotspot, the light is soft, balanced, and comfortable to work under.

Scene beams excel in close-range tasks where visibility and comfort matter more than distance — ideal for creating a safe, usable workspace around the vehicle.

Ideal applications:

• Reversing, setting up camp, or working under awnings

• Area lighting for canopies, trays, tubs, or roof racks

• Side and rear-mounted lights for reversing or camp setups

Scene lights eliminate glare and hotspots, making them invaluable for night setups where you want clear, even visibility.

Beam Pattern Comparison

Choosing the Right Setup

Each beam serves a distinct purpose, and most vehicles benefit from combining them. But beyond that, understanding how they complement each other can help you tailor your setup for specific conditions rather than guessing your way through.

• Spot + Combo: The foundation of a forward-facing setup. Spot beams give you distance for early reaction time, while Combo beams widen the spread so you can see the track edges and roadside detail. Used together, they create a clear, balanced field of light for highway or off-road use.

• Scene: Completes the setup by providing usable light at low speed or when stationary. Scene lights remove glare and fill in the gaps that distance-focused beams can’t, giving you safe visibility for reversing, working, or setting up camp.

When deciding on a layout, think of how your lighting will actually be used:

• Speed: Faster driving needs distance and focus – Spot and Combo.

• Environment: Tight trails, reversing or campsites need width – Scene.

• Mounting: Spots and Combos work best forward-facing; Scenes shine at the sides or rear.

Choosing purpose-built patterns means you’ll see more of what matters and less of what doesn’t. The right mix gives you a system that works together instead of fighting itself.

For tailored advice or to plan your lighting setup, contact sales@altiq.com.au.