B+W 37mm Infrared Dark Red 092 Filter
The B&W 37mm Infrared Dark Red (092 = 89B) Filter is nearly opaque. It looks dark purplish/red when held in front of a light source and blocks visible light up to 650nm. It passes only 50% of the radiation just below 700nm (thus the dark red color).
- From 730 to 2000nm, transmission is greater than 90%; this makes photographs of pure red and infrared images possible with the best utilization of the relatively low sensitivity of infrared films
- As the sensitization of infrared black and white films barely extends beyond 1000 nm, the red portion that is transmitted still makes a relevant contribution to the exposure; that is why this filter is the preferred filter for pictorial photography on IR black and white film
| Type | Infrared |
| Size | 37mm |
| Grade | 092 (equivalent to an 89B filter) |
| Filter Factor | 20-40 depending on sensitivity of film |
| Multi-Coated | Not Applicable |
| Rotating | Not Applicable |
| Effect | Blocks visible light up to 650nm |
| Application | Infrared photography |
| Color Temperature | Not Specified by Manufacturer |
| Construction | Schott Glass |
| Front Filter Thread Size | 37mm |
| Front Lens Cap Size | 37mm |
REVIEW SNAPSHOT®
by PowerReviews(based on 2 reviews)
Ratings Distribution
Reviewed by 2 customers
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Displaying reviews 1-2
Pros
- Like Hoya R72 IR filter
- More Infrared Filter
Cons
Best Uses
- Infrared use
Comments about B+W 37mm Infrared Dark Red 092 Filter:
More Infrared filter than I thought
I thought I was getting a Deep Dark Red Filter
It virtually Black Filter Like My Hoya R72 Infrared Filter
Very Happy
- Was this a gift?:
- No
Pros
- Clear Optics
- Consistent Effect
- Firm Mount
- Strong Construction
Cons
Best Uses
Comments about B+W 37mm Infrared Dark Red 092 Filter:
I purchased this to have as an alternative to completely visually black R760 IR filter. The 092 does allow a small amount of visible red through and gathers a lot more light permitting a lower noise exposure. Having a range of IR filters permits greater flexibility.
Displaying reviews 1-2
Filter pouch
-
- Original: $9.95
- Save: $0.99
- Price: $8.96
Care & Cleaning
-
- Original: $4.99
- Save: $0.50
- Price: $4.49
What's in the Box
- Ten-Year Warranty
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