Promaster 6305 Flash Diffuser-430 EX III RT

Name: Promaster 6305 Flash Diffuser-430 EX III RT
Brand: ProMaster
SKU: 029144063054
Price: 10.64 USD
Availability: InStock
Rating: 4.8 (5 reviews)

Promaster 6305 Flash Diffuser-430 EX III RT - Main image

$10.64 ~~$14.99~~ In stock

Category: Flash Modifiers

The ProMaster 6305 Flash Diffuser is a flash modifier designed to fit the Canon 430EX III-RT. It is made by ProMaster and is offered here in the Standard option.

Brand: ProMaster
Product: 6305 Flash Diffuser
Compatibility: Fits Canon 430EX III-RT
Category: Flash Modifiers
SKU: 029144063054

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Customer Reviews (4.8 / 5 · 5 reviews)

Adam ★★★★★ Oct 22, 2026

The light distribution is noticeably smoother now with this diffuser attached, and the rotating head still works perfectly for bouncing off ceilings. It’s a simple fix that makes a real difference in portrait shots.

Lucy ★★★★★ Oct 20, 2026

This diffuser fits snugly around the flash head without any wobbling, and the light distribution is noticeably smoother than bare flash. I just used it for a portrait session and the skin tones came out much more natural.

Sebastian ★★★★★ Oct 19, 2026

Finally, a diffuser that clicks right into place without wobbling—the fit on my 430EX III-RT is spot-on. It softens the harsh shadows noticeably for indoor portraits, and the standard size is compact enough to leave on in my bag.