B+W 40.5mm Infrared Dark Red 092 Filter
The B&W 40.5mm 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 | 40.5mm |
| 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 | 40.5mm |
| Front Lens Cap Size | Not Applicable |
REVIEW SNAPSHOT®
by PowerReviews(based on 2 reviews)
Ratings Distribution
Reviewed by 2 customers
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Displaying reviews 1-2
Pros
- Clear Optics
Cons
- Loose Mount
Best Uses
- Filter Protection
Comments about B+W 40.5mm Infrared Dark Red 092 Filter:
The quality of the product is great.
but the in-stuck information is not always up-to-date. Because of this reason I got one of my orders after 2 months. But mostly on-time.
- Was this a gift?:
- No
Pros
- Easy To Use
- Firm Mount
- Strong Construction
Cons
Best Uses
- Image Manipulation
Comments about B+W 40.5mm Infrared Dark Red 092 Filter:
Nice filter, its not as dark as my R72 (but very close), so it allows slightly more light to pass through (this is not necessarily a bad thing as it helps add more artificial color which can be very artistic). The R72 is the Hoya comparable filter, so if you use the R72 note that this one allows slightly more visible red through.
It fits the lense of my IR modded Olympus C-5060 without the bayonet adapter (saves space when traveling).
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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