Diffusion Fabric for 43" Deep Umbrella

Name: Diffusion Fabric for 43" Deep Umbrella
Brand: Westcott
SKU: 5639
Price: 20.07 USD
Availability: InStock
Rating: 4.8 (5 reviews)

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$20.07 ~~$32.9~~ In stock

Category: Grids & Fronts

Creates the effect of a deep octagonal softbox
Perfectly paired with studio strobes
Diffuses light by one full stop high-quality diffusion fabric
For use with deep umbrellas (not compatible with standard umbrellas)

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Customer Reviews (4.8 / 5 · 5 reviews)

Joshua C. ★★★★★ Oct 22, 2026

This fabric gives my deep umbrella the same silky light as a big octabox. It cuts exactly one stop, which makes calculating exposure simple. A solid upgrade for studio strobes.

Alexander ★★★★★ Oct 21, 2026

I’d been using a regular white umbrella before, but this diffusion fabric gives a noticeably rounder, more controlled catchlight in the eyes. The fabric feels sturdy and blocks exactly one stop. My portraits now have that smooth, deep-softbox look without the bulk.

Edward V. ★★★★★ Oct 20, 2026

The diffusion on this is exactly one full stop as promised, which made dialing in my strobes quick and predictable. It turns my 43" umbrella into a genuinely octagonal softbox look, and the fabric feels sturdy enough for studio use without any sagging.