Light Balancing Filters
81 Series
The 81 series filters are useful with daylight corrected film in cool light conditions. As letters advance, density and warmth increases.
81A, 81B, 81C, & 81EF
Creates warmer tones and brighter colors on overcast days or when shooting with electronic flash
Great for improving flesh tones
81A converts tungsten 3200 K film to 3400 K lighting
| Filter |
Conversion |
Exposure Increase |
| 81A |
3,400 to 3,200 K |
1/3 stop |
| 81B |
3,500 to 3,200 K |
1/3 stop |
| 81C |
3,600 to 3,850 K |
1/3 stop |
| 81EF |
3,850 to 4,140 K |
2/3 stop |
|
