092 IR INFRA RED B/W 89B DARK RED FILTER 52mm 'Infrared filters transmit IR radiation, but block visible light either completely or largely. gy). The B+W filter 092 is the most popular filter for IR black and white photos.'... More
092 IR INFRA RED B/W 89B DARK RED FILTER 49mm 'It is black and only purple against light sources. It provides an infrared image with a red portion for the better utilization of the low sensitivity of infrared films.'... More
