UPC: 4012240722860 | B+W 55mm IR Dark Red (092)
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Last update was on: October 26, 2024 12:30 pm
- At amazon.com you can purchase B + W 55mm Infrared Filter # 092 (89B) for only 0.00
- The lowest price of B + W 55mm Infrared Filter # 092 (89B) was obtained on October 26, 2024 12:30 pm.
Description
UPC lookup results for: 4012240722860 | B+W 55mm IR Dark Red (092)
The B+W 092 has become a popular filter for IR photography with digital SLR cameras. This nearly opaque filter looks dark purplish when held in front of a light source and blocks the visible spectrum up to 650 nm. It passes only 50% of the radiation just below 700 nm and from 730 nm to 2000 nm transmission is greater than 90%. As the sensitization of IR films barely extends beyond 1000 nm the red portion that is transmitted still makes a relevant contribution to the exposure. Effectiveness and filter factor are largely film and light dependent and individual testing is recommended.
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