NiSi Filters offer a complete square filter system, perfect for Landscape photographers looking for a high quality, very low colour cast and easy to use system. NiSi Square Filter System are available in 100mm size for most wide angle lenses, (49 - 82mm filter thread), 150mm size for popular lenses including Nikon 14-24mm, Tamron 15-30mm, Samyang 14mm and 180mm size for Canon 11-24mm and Zeiss 15mm.

All NiSi square filters are Nano coated, offer ultra low colour cast, low reflection, Optical high definition glass, double sided water proofing and IR coating.

By using neutral density filter the camera is vulnerable to infrared light which will cast the unwanted red colour to the photos when shooting at small apertures. NiSi Filters have added an infrared protection coating layer to eliminate the infrared light through the lens to bring back the natural colour.

All of NiSi filters holder outer ring are made of aviation-grade aluminium and are high quality and extremely durable.