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Gam GC1532 1/4 CTB Blue Cine Filter (20x24" Sheet)

B&H # GA1532S Mfr # GC1532
Usually ships in 7-14 business days

Availability Details

This is a Special order item. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at time of shipment.
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GamColor CTB Cine Filters - Color Temperature Blue filters help you acheive proper color balance when using strobes or HMIs under incandescent lighting conditions. These filters will help raise the color temperature to match true daylight (5500 Kelvin).

CTBs are available in various "steps" - each one a different temperature rating. As individual incandescent lamps vary in color temperature and with their operating voltage, CTBs are used to "tweak" the balance between the ambient light and the light source being employed to make the image (strobe, etc).

A full CTB will typically convert a 3200K light source to 5500K, i.e. normal daylight.

Note! When using CTB filters, it is recommended that you use a color temperature meter. It is the only reliable way to determine the correct filtration

GamColor offers seven graduated steps of CTB filters to help you achieve the proper color balance - 1/8, 1/6, 1/4, 1/2, 3/4, full and extra
Color Blue
Grade 1/4
Dimensions 20x24" (51 x 61cm)
Light Loss .7 stops
Transmission 60%
Mired Shift -38
Application Converts 3200K to 5500K. Converts 3200K to daylight. Can be used with other correction to achieve a specific color temperature. If used with + or - green will help correct some fluorescent or discharge sources.
Gam GC1532 1/4 CTB Blue Cine Filter (20x24" Sheet)
  • 20x24" Sheet

    by PowerReviews
    GamGC1532 1/4 CTB Blue Cine Filter (20x24" Sheet)

    (based on 2 reviews)

    Ratings Distribution

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    • 1 Stars



    Reviewed by 2 customers

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    works as advertised

    By mandiman

    from Santa Fe

    About Me Pro Photographer

    Verified Buyer


    • Durable


    • NONE

    Best Uses

    • Color Balance

    Comments about Gam GC1532 1/4 CTB Blue Cine Filter (20x24" Sheet):

    to correct for daylight exposure

    Share this review



    By Ben

    from Muscatine, IA

    About Me Hobbyist/Enthusiast

    Verified Buyer



        Best Uses

          Comments about Gam GC1532 1/4 CTB Blue Cine Filter (20x24" Sheet):

          I placed the gel in an SB-600 and aimed it at my black background.

          Share this review

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