B+W 55mm 489 Infrared Glass Filter (Slim)
This B&W 55mm Infrared Blocking (Slim) Glass Filter must not be confused with heat-resisting protection filters for projectors or spotlights. Instead, it is intended for use as protection for IR-sensitive CCD sensors or in the light path of illumination devices with low thermal characteristics.
B&W slim filters are for wide-angle lenses and are 3mm thick. They do not have a front thread.
- It suppresses infrared radiation >780 nm
- Because it gradually begins to absorb infrared radiation at 600 nm, long wave red light is slightly weakened so that this filter has a subtle green tint; But, in CCD applications, this can be readily corrected electronically
| Type | Infrared |
| Size | 55mm (Slim) |
| Grade | 489 |
| Filter Factor | 1.2 |
| Multi-Coated | Not Applicable |
| Rotating | Not Applicable |
| Effect | Suppresses IR radiation >780 nm |
| Application | Protector for IR-sensitive CCD sensors |
| Color Temperature | Not Applicable |
| Construction | Schott Glass |
| Front Filter Thread Size | 55mm |
| Front Lens Cap Size | Not Applicable |
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
- B&W Push-on Lens Cap
- Ten-Year Warranty
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