
Phottix
Phottix PH85375 Premio 85cm Silver Umbrella Diffuser
★★★★★
Wrap your subject in flattering, even light — the Phottix Premio 85cm diffuser converts your silver umbrella into a large softbox in seconds.
$59.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Key Features
Deep shaped design for added directional control.
Focus and shape light simply by sliding umbrella along the umbrella shaft.
Great for producing wrap around light for portraiture.
New completely redesigned locking mechanism making set-up and take down easier-to-use.
Add the Premio 47" white diffuser for added creative control and flexibility.
Specifications
Compatible Umbrella Size
85cm (33 inches)
Umbrella Interior
Silver reflective
Modifier Type
Front diffusion panel (umbrella softbox conversion)
Attachment Method
Rim-mount locking mechanism (tool-free)
Design
Deep-shaped for directional light control
Brand
Phottix
Model
PH85375
Pros & Cons
👍 Pros
- Converts an 85cm silver umbrella into a large softbox-style modifier without purchasing a separate softbox, making it a cost-effective lighting upgrade for portrait and event shooters.
- The 85cm diameter provides a large light source relative to subject distance, producing flattering wraparound light that softens facial shadows in portraiture.
- Deep-shaped umbrella design allows shaft-position adjustment to control light spread and directionality even with the diffuser in place.
- Redesigned locking mechanism speeds up setup and breakdown — meaningful on busy location shoots where modifier changes need to be fast.
- Lightweight construction keeps the overall modifier weight manageable on a single light stand without requiring heavy-duty support.
👎 Cons
- Sized only for 85cm umbrellas — it is not interchangeable with other diameter modifiers in your kit, limiting versatility across umbrella sizes.
- Adding the diffusion layer reduces the effective light output compared to bare silver umbrella use — requires more flash power or closer positioning to compensate.
- The diffuser panel does not include internal baffling, so light distribution evenness depends heavily on the umbrella's own reflective consistency across its surface.
- Outdoor use in any wind requires sandbag weighting — the large 85cm surface area catches wind easily and the diffuser adds additional sail area.
- No built-in grid or secondary diffusion options; creative light shaping beyond softening requires additional modifiers.
Frequently Asked Questions
What size umbrella does this diffuser fit, and will it work with my existing Premio umbrella?
The PH85375 is designed specifically for 85cm (33-inch) reflective umbrellas. It is sized to fit the Premio 85cm umbrella from Phottix, and is described as compatible with 85cm silver reflective umbrellas generally. Verify your umbrella's diameter before purchasing — it will not fit 76cm (30-inch) or 101cm (40-inch) umbrellas.
How does the diffuser change the quality of light compared to using the silver umbrella alone?
Attaching the diffuser converts the silver umbrella from a shoot-through or bounce reflector into a large front-diffused modifier — closer in character to a softbox. The silver interior bounces and amplifies light toward the diffusion panel, which then scatters it forward. The result is softer, more wrapping light with reduced specular hot spots compared to bare umbrella output.
How is the Premio diffuser attached to the umbrella?
The diffuser attaches to the outer rim of the 85cm umbrella. Phottix redesigned the locking mechanism on this version specifically to make setup and takedown faster and more reliable than the previous generation. No tools are required — it secures and removes by hand.
Does sliding the umbrella along the shaft change how the diffuser performs?
Yes. The deep-shaped design of the Premio umbrella allows you to adjust the umbrella's position along the shaft to control how focused or spread the light is before it hits the diffuser panel. Moving the shaft deeper increases light focus; pulling it back spreads output more evenly. This adjustment remains functional with the diffuser attached.
Can I use this diffuser with a shoot-through umbrella instead of a silver one?
The diffuser is designed to pair with a reflective (silver or white interior) umbrella — it attaches to the outer rim and relies on the umbrella's interior to bounce and direct light toward the panel. Attaching it to a transparent shoot-through umbrella would create a double-diffusion setup with significant light loss and is not the intended application.