B+W 40.5 mm 091 Dark Red (029) Glass Filter
Compared to the B&W Light Red filter (090), this B&W 40.5 mm 090 Dark Red Glass filter darkens the reds near the yellow tones in the spectrum, as its transparency only begins in the orange-red region. It produces dramatic effects and extreme tonal separation for graphic effects.
- Stronger than an 090 Light Red (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
| Type | Dark Red |
| Size | 40.5 mm |
| Grade | 091 |
| Filter Factor | 8 (+3 stops) |
| Multi-Coated | No |
| Rotating | Not Applicable |
| Effect | More dramatic visual effect than an 090 (25) Light Red filter; Absorbs green and blue completely and enhances red |
| Application | Create very dramatic sky effects, emphasizing cloud contrast for landscapes; Simulate a moonlit scene at midday with slight underexposure; Turn foliage white and cut through fog and haze |
| Color Temperature | Not Applicable |
| Construction | Schott Glass |
| Front Filter Thread Size | 40.5 mm |
| Front Lens Cap Size | 40.5 mm |
Filter pouch
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- Original: $9.95
- Save: $0.99
- Price: $8.96
Care & Cleaning
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- Original: $4.99
- Save: $0.50
- Price: $4.49
What's in the Box
- Ten-Year Warranty
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