SIRUI Square ND Filters

Long exposure tool with exceptional polarized color.

• Product：SIRUI Nano Multi-layer Square ND Filter
• Functions：Reduce the light entering the camera to increase exposure time.
• Material：Top quality German Schott Optical Glass B270
• Stops：ND8(0.9) | ND64(1.8) | ND1000(3.0)
• Size：100×100mm