Westcott

Westcott 4633 7-Feet Silver Parabolic Umbrella with Black Cover

4.6 (213 reviews)

A massive 7-foot silver parabolic umbrella that wraps light around subjects with beautiful, controlled specularity.

$99.90*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The Westcott 4633 7-Foot Silver Parabolic Umbrella is a large-format lighting modifier designed for photographers who need a big, beautiful light source for portraits, fashion, and group shots. At 84 inches in diameter, it creates the kind of soft, wraparound illumination that smaller modifiers simply cannot replicate — filling in shadows naturally and producing flattering catchlights. The silver interior adds specular punch and contrast compared to white umbrella surfaces, making it a strong choice when you want soft light that still has energy and dimension.

Built on a 16-rib fiberglass framework with a double-wall shaft, the 4633 is engineered for durability and consistent shape. The fiberglass ribs flex under stress rather than snapping, which is a meaningful advantage for photographers who travel to location shoots. The included removable black cover lets you switch from open reflective use to a more controlled, directional setup by blocking rear spill. A 7mm shaft tip ensures compatibility with standard umbrella brackets, and the included travel case makes it practical to bring this oversized modifier on the road. For studio work, it delivers the kind of light quality that would otherwise require far more expensive parabolic softboxes.

Key Features

16-rib fiberglass framework

included travel and storage case

7mm umbrella shaft tip

double wall shaft

Specifications

Brand
Westcott
Model
4633
Diameter
7 feet (84 inches)
Interior
Silver with removable black cover
Framework
16-rib fiberglass
Shaft
7mm tip, double wall
Includes
Travel and storage case

Pros & Cons

👍 Pros

  • Enormous 7-foot diameter creates an exceptionally soft, wraparound light source
  • Silver interior produces bright, specular reflections with punchy contrast
  • 16-rib fiberglass framework resists bending and breaking better than metal ribs
  • Removable black cover adds directional control and eliminates light spill
  • Includes a dedicated travel and storage case

👎 Cons

  • 7-foot size is unwieldy in tight studio spaces or low-ceiling rooms
  • Requires a heavy-duty light stand to support its size and catch from wind
  • Large profile catches wind easily, making unweighted outdoor use risky
  • Does not include a diffusion panel for shoot-through use

Frequently Asked Questions

The Westcott 4633 opens to a full 7-foot (84-inch) diameter, providing a very large light source for wrapping, flattering illumination.
The removable black cover converts the umbrella from a reflective silver modifier into a contained light source, blocking spill and giving you more directional control over where the light falls.
It has a 7mm shaft tip, which fits standard umbrella mounts on most studio strobes and continuous light heads.
The 16-rib fiberglass framework is designed to flex rather than snap, making it more resilient than metal-ribbed umbrellas. However, at 7 feet, a sturdy stand and sandbags are strongly recommended outdoors.
Yes. Westcott includes a travel and storage case for transport and protection.