Categories: Lens Filters
The Tiffen 55mm 81EF Light Balancing Filter helps to decrease the color temperature by 650K in order to warm the image slightly in order to match the color quality of illumination. When using an 81EF filter, you will be able to attain 3200K balance when the prevailing light source is 3850K. The warming effect of this filter requires a 0.6-stop increase in exposure for normal results.
This filter is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, and then mounting to precision metal rings.
| Filter Type | 81EF |
| Exposure Reduction | 0.4-Stop |
| Color Temperature | Converts 3850 to 3200K |
| Size | 55 mm Rear Filter Thread |
| Front Accessory Thread / Bayonet | 55 mm |
| Coating | No |
| Filter Material | Glass |
| Ring Material | Aluminum |
| Package Weight | 0.115 lb |
| Box Dimensions (LxWxH) | 3.9 x 2.9 x 0.6" |
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