How to Replace Softbox Diffusion Panels

By Fotodiox, Inc. USA | Published: 2026-10-18

Category: How-to Guides

Learn how to swap worn or damaged diffusion panels on your Fotodiox Pro softbox with this step-by-step guide. Get tips on hook-and-loop attachment and common mistakes.

Quick Answer

Replacing a softbox diffusion panel is a straightforward process: remove the old panel, align the new OEM replacement panel with the hook-and-loop fasteners, and press it into place. This guide covers the steps for Fotodiox Pro softboxes using the Standard Softbox Double Diffusion Panel Set.

Why Replace Diffusion Panels?

Over time, diffusion panels can become discolored, torn, or lose their ability to soften light evenly. Replacing them restores the softbox's performance and extends its life. The Standard Softbox Double Diffusion Panel Set is an OEM replacement part designed to match the original fit and diffusion quality.

Because these panels use hook-and-loop fasteners, no tools or adhesives are needed. The set includes both an inner and outer panel for double diffusion, giving you more control over light softness.

What You'll Need

You only need the replacement panel set and your softbox. Make sure you order the correct size for your softbox model—the Fotodiox Pro Standard Softbox Double Diffusion Panel Set is available in multiple sizes to match SKUs starting with SBX-Stnd.

Step-by-Step Replacement Process

Remove the old panels: Unfasten the hook-and-loop strips securing the inner and outer diffusion panels to the softbox speed ring or interior. Gently peel each panel away starting from one corner. Work slowly to avoid tearing the fabric or damaging the softbox. Check that the hook-and-loop strips on the softbox are clean and free of debris before attaching the new panels.
Align the new inner panel: Take the inner diffusion panel from the replacement set and align it with the hook-and-loop fasteners inside the softbox. Press the panel firmly along the entire perimeter to ensure a secure hold. The inner panel is the one that sits closer to the light source. A common mistake is attaching the inner panel upside down—make sure the hook-and-loop strips line up with the softbox's attachment points.
Attach the outer panel: Repeat the process with the outer diffusion panel, pressing it onto the hook-and-loop strips on the front rim of the softbox. Ensure the panel is smooth and taut without sagging. Both panels should lie flat for even diffusion. If the outer panel sags, re-seat it by pressing along the edges again. Sagging can cause uneven light falloff.
Test the setup: Mount the softbox on your light and power it on at a low level. Look for any hot spots or uneven brightness. If needed, adjust the panel tension by re-pressing the hook-and-loop fasteners. The double diffusion design should produce soft, even light. A quick test with a white wall or backdrop helps confirm even diffusion before a shoot.

Product Details

Standard Softbox Double Diffusion Panel Set - Replacement OEM Part for Fotodiox Pro Softboxes (SKUs starting with 'SBX-Stnd-***'): The Standard Softbox Double Diffusion Panel Set includes an inner and outer diffusion panel with hook-and-loop fasteners for quick attachment. The double-layer design lets you adjust diffusion by using one or both panels, giving you more creative control over light quality.
Standard Softbox Double Diffusion Panel Set - Replacement OEM Part for Fotodiox Pro Softboxes (SKUs starting with 'SBX-Stnd-***')