Gam GC1532 1/4 CTB Blue Cine Filter (20x24" Sheet)
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. |
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Pros
- Durable
Cons
- NONE
Best Uses
- Color Balance
Comments about Gam GC1532 1/4 CTB Blue Cine Filter (20x24" Sheet):
to correct for daylight exposure
Pros
Cons
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.
Displaying reviews 1-2
Stands & Support Equipment
- Price: $39.95
Misc Accessories and Adapters
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Tutorials
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What's in the Box
- 20x24" Sheet
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