In 2007, NiSi ultra slim camera filter came out and got high recgonition among the professionals. In 2009, NiSi golden ring 18 layers multi-coating LR UV filter setted the precedent of photography industry. In 2010, NiSi developed the Patented products No cross ‘+’ Variable ND filter. In 2011, NiSi got 10 stops ND1000 filter and fashion colorful frame UV filter. In 2012, NiSi fader ND4-500 with 3
global patents and 11 stops ND2000 started to sell. In 2013, NiSi got original 'U' style AR coating UV370 filter. In 2014, after more than 1-year research and development , NiSi successfully developed the Nano coating optical glass Square Gradual ND filter (GND) and 100mm/150mm system filter holders. NiSi factory occupies 5000 square meters. It's equiped professional imported CNC processing machines and high-end optical instruments&test equipments. All of our optical experts have more than 20 years experience and are capable of designing&developin&producing all kinds of camera filters
NiSi original 'U' style AR multi-layer coating and waterproof&oil-repellent&anti-scratch coating make the filter reach top transmittance and ultra low reflection. Moreover, the Parallelism of the glass surface is high. All of NiSi filters outer ring are made of aviation-grade aluminum. The design is ultra slim and they are with anodizing processing. The black matte process inside of the ring will avoid the reflection. Fine Knurling on the ring will make the users feel comfortable when rotating. Auto-locking clamp ring can make sure the security of the filters during the shipping. All of NiSi filters are accord with EU ROHS standard.
