Illuminator 48" 1-Stop Silk Diffusion Panel

SKU: 4900

  • 2-stop thickness to control harsh sunlight

  • Doubles as a white reflector

  • Included travel case

  • Collapses to 1/3 its open size

  • Lifetime frame warranty

 Where to Buy

Product Details

The perfect size.
This 48" square diffuser if our most popular size as it offers a large surface area that can still easily be handheld.

Shadows be gone.
Many times when photographing a subject outdoors, harsh overhead sunlight causes heavy shadows to appear on the face. These can quickly and easily be diffused by placing a diffuser between the subject and the sun.

Eliminate reflections.
Placing a diffuser between a reflective product and your light source will soften unwanted highlights and harsh reflections.

Fight harsh sunlight.
This 2 stop diffuser is ideal for diffusing harsh sunlight in mid afternoon. This means you will be diffusing the light by two stops and can be measured by use of a light meter.

Square beats round.
Why are our diffusers square? Simple. They provide more surface area than a traditional round diffuser ultimately giving you more surface area to work with. As an added bonus, they won't roll away when not in use!

Purity at its finest.
Unlike many photographic diffusers found on the market, Westcott's diffusers are manufactured using a pure white fabric to insure no shift in color temperature. The light color going into the diffuser is the same light color that will go out of it.

Sets up in a snap.
With literally a flick of the wrist, these diffusers open effortlessly within seconds. They can easily be handheld or mounted using an optional reflector arm and light stand.

Perfect for on-location.
Take on location, throw in a backpack or tuck under your shoulder, diffusers are lightweight and simply fold down to 1/3 their open size and fit into a convenient storage travel case.

Lifetime frame warranty.
Our double riveted sprung steel frames utilize the highest quality materials and offer a lifetime warranty. Compare this to many hand-clamped styles that will wear down over time.

Product Specifications


SKU: 4900
UPC: 817967049009
Care Instructions: Spot clean by hand with non-bleach laundry detergent.
Warranty: Lifetime frame warranty; Five years on fabric
Item Length: 49.25 in. / 125.10 cm
Item Width: 49.25 in. / 125.10 cm
Item Height: 0.38 in. / 0.95 cm
Item Weight: 1.8 lbs. / 0.8 kg
Shipping Length: 20.75 in. / 52.71 cm
Shipping Width: 21.38 in. / 54.29 cm
Shipping Height: 1.50 in. / 3.81 cm
Shipping Weight: 3.7 lbs. / 1.7 kg
Materials: Nylon, Spring Steel


Fabric Type: Diffusion
Diffuser Density: 1-Stop

Essential Accessories

Essential Accessories

Behind The Scenes with the Silver Illuminator Reflector

Versatile Lighting Tools for Every Environment

For in-studio or on-location, Westcott Illuminator Reflectors are essential tools for modifying both available and artificial lighting. Extremely lightweight and portable, these square reflectors fold to â…“ of their size for effortless transport and include a carry case for easy storage. Unlike other reflectors on the market, Illuminator Reflectors offer a larger surface area by incorporating a square shape. Available in a variety of sizes and fabrics, all can be mounted with an optional Illuminator Reflector Arm or Reflector Arm Extreme and a light stand.

Precision Craftsmanship Backed by Westcott

Double-riveted sprung steel frames are made using the highest quality materials and include a lifetime warranty. Many hand-clamped styles currently on the market will wear down over time. If your Illuminator Reflector frame ever breaks, we’ll replace it at no charge.

Illuminator Frame Warranty
Behind The Scenes with the Illuminator Diffuser

Setting the Standard

For over 112 years, Westcott has been working with some of the finest fabric mills worldwide. Our reflective fabrics, diffusion silks, and black blocks are produced using a double-layer of lamination and offer a five-year warranty against manufacturers defects.

Offering a Wide Variety of Sizes and Combinations

Available in a large variety of combination kits and multiple sizes including: 14” square (pocket size for small areas), 20” square (ideal for headshots and small objects), 30” square (for portraits and small/mid-sized objects), 42”-48” square (easily handheld, yet large enough for couples), 52” square (for ¾ length and small groups), and 72” rectangle (ideal for families, fashion, full-length portraits, and large objects).

Illuminator Reflector Line by Westcott