Rosco # 3208 1/4 Blue CTB Color Conversion Gel Filter (20x24" Sheet)

Rosco # 3208 1/4 Blue CTB Color Conversion Gel Filter (20x24" Sheet)

Rosco # 3208 1/4 Blue CTB Color Conversion Gel Filter (20x24" Sheet)

B&H # RO3208S MFR # RS320811
Rosco # 3208 1/4 Blue CTB Color Conversion Gel Filter (20x24" Sheet)

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Product Highlights

  • Heat Resistant
  • Deep-Dyed
  • Excellent Color Transmission
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Rosco CTB Blue overview

  • 1Description

Roscoe 1/4 Blue CTB Color Conversion Gel Filter - This filter is traditionally used to convert tungsten lighting to daylight. CTB (Color Temperature Blue) filters are available in a full spectrum of degrees (strengths) which, depending on your needs, can be used to either raise the temperature of your lighting or to create different lighting interpretations.

CTB filters offer you complete control when shooting under tungsten lighting.  

UPC: 096727540141
In the Box
Rosco # 3208 1/4 Blue CTB Color Conversion Gel Filter (20x24" Sheet)
  • 20x24" Sheet
  • Table of Contents
    • 1Description

    Rosco CTB Blue specs

    Color 1/4 Blue
    Size 20x24" (51 x 61cm)
    Transmission 74%
    Mired Shift 30
    Application Boosts 3200K sources to 3500K. A partial conversion to compensate for voltage reduction, or to boost aging HMI lamps or household incandescent sources.
    Packaging Infocqrrwrqvyxzexrdadeyvxedzcbxqxwzwzxss
    Package Weight 0.1 lb
    Box Dimensions (LxWxH) 24.0 x 20.25 x 0.01"

    Rosco CTB Blue reviews

    # 3208 1/4 Blue CTB Color Conversion Gel Filter (20x24" Sheet) is rated 4.6 out of 5 by 7.
    Rated 3 out of 5 by from Useful This filter is quite a bit thinner than the Bogen filters, but not being an experienced lighting expert, I don't know their comparative longevity. I was a bit surprised that the roll was shipped all by itself in a huge box with tons of packing peanuts, but I guess it doesn't get hurt that way.
    Date published: 2008-05-08
    Rated 4 out of 5 by from Color accurate but quite thin good color accuracy but (as with most gels) I find them too thin for my liking. I haven't seen any options for a thicker gel?!?!
    Date published: 2010-08-31
    Rated 5 out of 5 by from A must in every strobist kit Great for correcting light in environmental portraits. Use it on a Profoto softlight reflector
    Date published: 2017-08-17
    Rated 5 out of 5 by from Worked great for my 22 Beauty Dish Used this gel for my beauty dish outdoors in the wind. Everything worked great and held up.
    Date published: 2014-11-04
    Rated 5 out of 5 by from SOLID GELS Solid gels, they work well with my tungsten lights to get them closer to daylight
    Date published: 2016-12-14
    Rated 5 out of 5 by from excellent gel Durable, excellent gel for lighting purposes.
    Date published: 2010-10-05
    Rated 5 out of 5 by from Great gel Works exactly as described...
    Date published: 2014-11-28
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