Kodak 4 x 12" 87C Opaque Infrared Wratten 2 Gel Filter - This black infrared filter will filter out the entire visible spectrum. It is used with black and white infrared films with a sensitivity up to approximately 1000nm. Filter factor is determined by the film sensitivity.
Most Kodak gelatin filters are available in 3 x 3" (75 x 75mm), 4 x 4" (100 x 100mm), 6 x 6" (150 x 150mm), 14 x 18" (350 x 450mm) and 4 x 12" (10.2 x 30.5mm).
- Infrared filter for filtering out the entire visible spectrum
Wratten 2 Improvements
- More rigid/durable
- Easier to handle
- Color consistent today, and 6 months from now as well
- Wratten 2 Optical Filters are less sensitive to humidity, less prone to static cling
- Fingerprint removal is also easier