US Singh-Ray Optical Resin Medium Gray Gradient Lens 100X150mm Specification 4x6 inch Monolithic
American Singh-Ray mid-gray gradient mirror GND, 100X150mm specification. The American Singh-Ray mid-gray gradient lens was invented by landscape photographer Galen Rowell.
Please specify when ordering:
- Reduce light density 1, 2, 3 or files(ND0.3,0.6,0.9,1.2);
- Soft or hard edges.