Godox ML-B4 Magnetic Barndoor

The Godox ML-B4 Magnetic Barndoor gives you surgical control over light spill, shaping beams with precision on your ML80Bi or ML150Bi.

Clamp down unwanted light scatter in seconds—no tools, no fuss, just magnetic attachment and four adjustable leaves.

Precision Light Control Without Compromise

• Instant Beam Shaping: Four adjustable leaves let you sculpt light exactly where you need it, eliminating wasted spill.
• Zero Setup Friction: Magnetic attachment snaps on in seconds—no adapters, no threading, no learning curve.
• Shadow Definition: Create crisp edges and dramatic contrast by blocking light from unwanted areas of your scene.
• Portable Control: Lightweight design travels with your kit and stores flat without adding bulk.
• Professional Results: Achieve studio-grade light control on location, whether shooting interviews, product work, or cinematic footage.