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B+W 49mm KB-12 (80B)

The deep blue filter KB 12 blocks so much red, orange and yellow that it increases the color temperature of very bright halogen and special photoflood lamps (of around 3400 K) to that of daylight. With that kind of illumination, and with daylight color reversal film, the subjects will be reproduced in their original colors. With weaker halogen bulbs or stronger incandescent bulbs in conjunction with this filter and with daylight reversal film, a residue of “warmth” will be retained for an optimal mood in interior photographs. Its filter factor is approximately 2.
Customer Reviews for B+W 49mm KB-12 (80B)
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