Quick answer
Choose the Rapid Box Deflector Plate XL for larger Rapid Box Studio Series or Switch modifiers (Octa-M, Octa-L, 1x3, 1x4, 2x3, 3x4) and the standard Rapid Box Deflector Plate for Speedlite Series or smaller Switch modifiers (Octa-S, Strip 1x2).
Why size and modifier compatibility matter
Deflector plates sit inside your softbox to scatter light evenly across the diffusion face, eliminating hot spots common with bare flash tubes or LED sources. The plate size must match the modifier's depth and diameter so the light spread stays uniform without spill or falloff at the edges.
Westcott offers two deflector plates designed for different Rapid Box families. The standard plate fits Speedlite-based systems and compact Switch modifiers, while the XL version accommodates larger studio strobe modifiers. Using the wrong size can leave uneven illumination or fail to mount securely.
Trade-off: light shaping vs. portability
A larger deflector plate creates a broader, softer light spread ideal for full-length portraits or group shots, but it adds bulk to your softbox setup. The smaller plate keeps your kit lightweight and travel-friendly, though it may not cover the entire face of a big modifier as evenly.
If you primarily shoot on location with a speedlight, the standard plate keeps your bag compact. For studio work with strobes and large softboxes, the XL plate delivers more consistent coverage.
Decision rules for choosing your deflector plate
- Match the modifier series: Use the Rapid Box Deflector Plate XL (product 1867182) with Rapid Box Studio Series or Switch Octa-M, Octa-L, 1x3, 1x4, 2x3, or 3x4 modifiers. Use the standard Rapid Box Deflector Plate (product 1867183) with Rapid Box Speedlite Series or Switch Octa-S or Strip 1x2 modifiers. Check your softbox model before purchasing.
- Consider your light source: If you use a studio strobe or monolight (larger flash tube), the XL plate spreads light more evenly across big diffusion panels. Speedlights and compact flashes work best with the standard plate, which is sized for smaller modifier depths.
- Evaluate your typical subject: For headshots and tight portraits, either plate works. For full-body or group portraits with large softboxes, the XL plate reduces edge falloff and provides more consistent illumination. Match plate size to your most common shooting scenario.
Product facts at a glance
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Rapid Box Deflector Plate XL: Compatible with Rapid Box Studio Series and Switch Octa-M, Octa-L, 1x3, 1x4, 2x3, 3x4 modifiers. This plate is the right choice if you use larger studio strobe modifiers that need even light distribution across a wide diffusion area.
Rapid Box Deflector Plate XL
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Rapid Box Deflector Plate: Compatible with Rapid Box Speedlite Series and Switch Octa-S and Strip 1x2 modifiers. This plate fits speedlight-based kits and smaller Switch modifiers, keeping your setup compact while still eliminating hot spots.
Rapid Box Deflector Plate
Who should choose which
Best for
- Studio photographers using large modifiers (Octa-L, 1x4, 2x3, 3x4) with strobes – choose the Rapid Box Deflector Plate XL
- On-location or event shooters using speedlights with compact softboxes (Octa-S, Strip 1x2) – choose the standard Rapid Box Deflector Plate
Not for
- Photographers who need a deflector for non-Westcott softboxes – these plates are designed exclusively for Rapid Box modifiers and won't fit other brands
