Cinematographer
1/4 Plus Green is my go-to for modern fluorescent situations. Newer T5 and T8 tubes have less of a green spike than older tubes.
Color filter at 1/4 strength of Plus Green — subtly reduces magenta/red cast without drastically shifting Color Temperature. Ideal for fine Color Grading under mixed light.
Technical Specifications
1/4 Plus Green (Lee #245) shifts the light spectrum by CC10 Green. The transmission is 82%, which corresponds to a light loss of only 0.3 stops.
Modern Fluorescent Application
Current fluorescent tubes and LED retrofits have better color rendering (CRI 85-95). The green spike is reduced, but not eliminated. 1/4 Plus Green compensates for these moderate overhangs.
Comparison of Plus Green Strengths
| Filter | CC Shift | Transmission | Light Loss |
|---|---|---|---|
| 1/8 Plus Green | CC05 | 88% | 0.2 Stops |
| 1/4 Plus Green | CC10 | 82% | 0.3 Stops |
| 1/2 Plus Green | CC15 | 75% | 0.4 Stops |
| Full Plus Green | CC30 | 60% | 0.7 Stops |
From the crafts
Perspectives
Director
On shoots in modern office buildings, I use 1/4 Plus Green for subtle matching without extensive post-correction.
Producer
1/4 Plus Green offers the best cost-benefit ratio for location shoots. The minimal light loss means no need for larger lights.
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