This Kodak 3 x 3" Dark Red #29 Optical Gel for Black & White Film is ideal for strong contrast improvement since it absorbs green and blue completely and enhances red. In addition to contrast control, red filters enhance skin tones, tonal corrections and are effective for more dramatic landscapes.
- Stronger than a #25
- Clouds are dramatically improved almost to the mood of a thunderstorm; darkens blue sky creating dramatic contrast between sky and clouds
- Use with Polarizer for dramatic black and white effects
- It is more effective in cutting through haze, and moonlight effects are easily accomplished; creates greater contrast between foliage and flowers
- Used in scientific photography
- Excellent copying filter for blueprints