B+W 37mm 420 UV-Blocking Glass Filter
This even more stringent B&W 37mm 420 UV-Blocking Glass Filter behaves like the B&W 415 UV-Blocking filter except that its filtering slope completely blocks the UV radiation all the way into the visible violet region. As a result, it has a noticeably yellow tint.
- Stronger than a B&W 415 UV-Blocking filter
| Type | UV-Blocking 420 |
| Size | 37mm |
| Grade | 2A |
| Filter Factor | 1 (1/2 stop) |
| Multi-Coated | Not Applicable |
| Rotating | Not Applicable |
| Effect | Blocks UV radiation to visible violet range |
| Application | It is used for fluorescent photography on black and white film where it is even more effective |
| Color Temperature | Not Applicable |
| Construction | Schott Glass |
| Front Filter Thread Size | 37mm |
| Front Lens Cap Size | 37mm |
Filter pouch
- Price: $9.95
Care & Cleaning
- Price: $4.99
What's in the Box
- Ten-Year Warranty
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