Gradual Neutral density Filter
Gradual Neutral density filter (AF) is a reflective Neutral density filter produced by UJ Optics Optoelectronics, which can change the light transmittance by linear movement or rotation. By rotating or moving, the luminous flux can be continuously adjusted to obtain any brightness, and the relative change of transmittance can make it easier to dynamically adjust the luminous flux.
The gradual Neutral density filter produced by UTE Optics can gradually attenuate in the range of OD1-OD4 according to the requirements of customers.