Barn Doors

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Nanlite FL-20G Fresnel Adaptor and Barn Doors for Forza 300 300B 500 720 FS 300B/C FC300 FC 300B and

Now AU$203.36

~~AU$225.95~~ 10% OFF

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Nanlux BD-NLM Barndoor Set for Evoke

AU$227.95

Barn Doors
Enhanced Beam Control and Light Shaping for Professional Lighting Systems

Fresnel lens adapters and barn door modifiers are essential tools for photographers, cinematographers, and lighting technicians who require refined control over light spread, intensity, and direction. These accessories are specifically engineered to complement high-output LED fixtures, allowing precise adjustment of beam angles and spill suppression for both creative and technical lighting setups.

Protog offers Fresnel lens kits with integrated barn doors and standalone barndoor accessories compatible with select LED studio lights, enabling flexible, modular light control without compromising output or quality.

What Are Fresnel Adapters and Barn Doors?

Fresnel lens adapters modify the native beam of an LED fixture, focusing and intensifying the light output into a tighter, more controllable beam. This focused beam is ideal for isolating subjects, simulating sunlight, or creating defined light patterns in both still and motion work.

Barn doors are mechanical flaps that mount directly onto the front of the light or Fresnel lens housing. By adjusting their position, users can shape the beam, flag off unwanted spill, and control light falloff on background elements or reflective surfaces.

Key Benefits of Using Fresnel Adapters and Barn Doors

Adjustable Beam Angles: Fresnel lenses enable variable beam angles, typically from narrow spot to wide flood, allowing you to fine-tune the coverage depending on the scene’s requirements.

Improved Light Intensity: Concentrating the beam with a Fresnel lens increases light intensity at the target area, enhancing exposure without requiring additional power.

Effective Spill Control: Barn doors prevent unwanted light from reaching unintended areas, preserving contrast and focus on the subject.

Creative Shaping Tools: When used creatively, barn doors can simulate window slats, top-lighting, or rim effects without the need for additional flags or modifiers.

Fast Integration: Most Fresnel and barn door systems are designed with quick-lock or bayonet mounts for easy installation and rotation during live shoots.

Compatibility and Configuration

The Fresnel adapters and barn door sets offered are designed for integration with select COB (chip-on-board) LED lighting fixtures, particularly those featuring modular accessory mounts.

Typical features include:

Adjustable Fresnel lens focus rings
Four-leaf barndoor configuration for multi-directional spill control
Heat-resistant housing suitable for continuous output lights
Compatibility with mounting accessories such as yokes, clamps, or frames

These accessories may be optimised for use with models rated between 200W and 720W, depending on the fixture’s native diameter and mounting type. Ensure compatibility with your fixture by referencing its accessory port type and diameter.

Why Use Fresnel and Barndoor Modifiers in Modern LED Systems?

As LED lights become increasingly powerful and versatile, controlling their output becomes more critical. Fresnel lens adapters and barn doors offer professional lighting control with minimal bulk, enabling shooters to maintain compact, mobile setups while achieving precision-grade lighting results.