Profoto

Profoto 100509 RFi Speedring Adapter for Photogenic

Bridge your Profoto RFi softboxes to Photogenic strobes for consistently shaped, color-accurate light on every shoot.

$99.00*
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*Price sourced from Amazon.com. Last updated:Oct 23, 2026.Price and availability are subject to change — details.

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Overview

The Profoto 100509 RFi Speedring Adapter exists to solve a specific problem: you own Photogenic strobes but want access to Profoto's RFi softbox line and its reliably even light output. This adapter bridges that gap cleanly, letting portrait, product, and event photographers mount any RFi softbox—square, octa, or strip—onto their Photogenic flash heads without jury-rigging or third-party workarounds. If you're building a modifier kit around the RFi system, this speedring is the piece that makes it all work with your existing lights.

Build quality reflects Profoto's usual standard. The black-finished ring feels substantial in hand without being unwieldy, and the color-coded rod insertion points mean assembly is intuitive even when you're setting up in a dim venue. The mounting interface grips the Photogenic head securely—there's no wobble or creep when you angle the softbox overhead or to the side. At 7.1 x 2.4 x 7.1 inches and 1.3 pounds, it's compact enough to toss in a modifier bag, though the added front weight is worth considering if you're working with lighter-duty stands and large octas.

Key Features

Profoto RFi Softboxes are color coded to make assembly simple

Just match the colored rod with the appropriate color-coded hole on the Speed ring.

Whether you are using a square, octagonal or rectangular softbox, set up is quick and easy

Specifications

Brand
Profoto
Model
100509
Compatibility
Photogenic Flash Heads
Softbox System
Profoto RFi (Square, Rectangular, Octagonal)
Color
Black
Dimensions
7.1 x 2.4 x 7.1 inches
Weight
1.3 pounds

Frequently Asked Questions

It's compatible with the entire Profoto RFi softbox line—square, rectangular, and octagonal. The color-coded rod system means you use the same adapter regardless of softbox shape.
The adapter is designed for Photogenic flash heads. Confirm your strobe's mounting ring style matches the Photogenic standard before purchasing, as some older or specialized heads may differ.
Profoto's color-coded rod-to-hole system cuts setup to under a minute once you've done it a couple of times. Match each colored rod to its corresponding hole and lock down—no guessing which rod goes where.
Yes, many photographers leave the speedring mounted to their most-used softbox to speed up setup on location. The 1.3-pound weight adds minimal bulk for transport.