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Westcott Optical White Satin Diffusion Umbrella (45")

BH #WEU45W • MFR #2005
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Westcott Optical White Satin Diffusion Umbrella (45")
Key Features
  • Bounce or Shoot Through
  • Increases Ambient Light
  • Ideal for Fill Light
  • 1-Stop Diffusion
The 45" Optical White Satin Diffusion Umbrella from Westcott is a light modifier that exhibits wide coverage, low contrast, and a substantial boost in the ambient light level. Sturdily built with fiberglass rods and a metal shaft, this umbrella is well-suited to portraiture, providing fill light and high key effects. It also has the ability to become a shoot-through modifier. Instead of traditionally bouncing your light source inside the umbrella, turn it around and aim the convex side of the umbrella toward your subject. While still diffused, you'll get wide coverage and a snappy look with more contrast.
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Westcott 2005 Overview

The 45" Optical White Satin Diffusion Umbrella from Westcott is a light modifier that exhibits wide coverage, low contrast, and a substantial boost in the ambient light level. Sturdily built with fiberglass rods and a metal shaft, this umbrella is well-suited to portraiture, providing fill light and high key effects. It also has the ability to become a shoot-through modifier. Instead of traditionally bouncing your light source inside the umbrella, turn it around and aim the convex side of the umbrella toward your subject. While still diffused, you'll get wide coverage and a snappy look with more contrast.

Easy to Mount
Most studio lights include a built-in umbrella receptacle for instant mounting. There are also a variety of mounting brackets available for speedlights with adjustable and tiltable options for precise positioning.
Modify any Light
The umbrella can soften, reflect, and shape whatever light source that you use.
UPC: 817967020053

Westcott 2005 Specs

Item Type
1x 45" Shoot-Through Umbrella
 • Color: White Translucent Umbrella
Shaft Diameter
8 mm
Number of Rods
8
Maximum Wattage
300 W
Light Loss/Gain
1-Stop Loss
Materials
Fabric, Fiberglass, Steel
Weight
0.9 lb / 0.4 kg
Packaging Info
Package Weight
0.8 lb
Box Dimensions (LxWxH)
29.75 x 1.5 x 1.4"

Westcott 2005 Reviews

Does the job

By Rebecca
Rated 5 out of 5
Date: 2025-06-22

This is my second Westcott diffusion umbrella. It's no-frills and works as intended.

Good for the money

By Paul
Rated 4 out of 5
Date: 2024-09-15

Nothing special here. But for the money you can’t go wrong and it does the job.

See any errors on this page?

Can this be used along with 1000 watt porta ...

Can this be used along with 1000 watt porta (Halogen) Video light for diffusion key light?
Asked by: Hardik
No. The following item is only supported up to maximum wattage supported 300 Watts.
Answered by: hectorm
Date published: 2022-08-08

What is the difference between "translucent ...

What is the difference between "translucent white" and "satin white"?
Asked by: Matt
The Westcott Optical White Satin Diffusion Umbrella (45") is about the same as a translucent white umbrella. It depends on the specific white umbrella.
Answered by: Rob K
Date published: 2024-07-29

Anyone know the differences between the 43" and ...

Anyone know the differences between the 43" and 45" options? (other than 2"!) Same materials? Same construction?
Asked by: Mark
The only difference is the size .
Answered by: Shalom
Date published: 2020-10-13

Just how long is the shaft oon the 45" umbrella? ...

Just how long is the shaft oon the 45" umbrella? and where and what size carry bag should I buy for two of thes? J. Payne
Asked by: James W
The shaft on the Westcott Optical White Satin Diffusion Umbrella (45") is 28.5 in (72.4 cm) long. For a case recommendation, I would recommend either the Lightware C6130 Stand Sack, B&H # LIC6130, or the SLIK TBL Large Tripod Bag (for Slik Tripods up to 30" Long, Black), B&H # SLTCL, for your usage needs. https://bhpho.to/4nP8EQc https://bhpho.to/3KoQ0QN
Answered by: Manzell L
Date published: 2025-09-30

question

What lightstand and umbrella mount would you suggest to go with it? Don't want cheap stuff, need some durability.
Asked by: Vamsi
I went with the Kupo Midi Click Stand, which I would highly recommend, and the Phottix Varos Pro M Multi-Function Flash Shoe Umbrella Holder, which I would not recommend at all. I broke the umbrella holder before I'd even mounted it to the stand.
Answered by: Wesley M.
Date published: 2018-08-27

question

The 45 measurement shown is the arc size. Do you know what the diameter measures when fully opened ?
Asked by: Bo
Mine is 43 from BH
Answered by: Yervand P.
Date published: 2018-08-27

question

This is sold as a bounce umbrella as well, but is there any reflective backing, or is the whole surface translucent white? If that's the case, won't there be a lot of light spill backwards if you use it as a bounce umbrella?
Asked by: Charles
Charles, Used a s a bounce or shoot through much of the light will spill in the opposite direction. This is not necessarily bad if you are using neutral surfaces nearby to add some additional fill. An umbrella with a backing or a Westcott Halo will both offer more control.
Answered by: Pete F. Westcott Expert
Date published: 2018-08-27
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