Circular UV Filters

NiSi Circular UV Filters are made of high definition Optical Glass, feature double-sided Nano Coating technology, have a super thin frame and offer very high transmittance.  Our range features three ring types, Our highest quality UV filter featuring a Titanium ring (Ti UV) with a Transmittance of 99.4%, Brass (HUC UV) with a Transmittance of 99.2% and our most affordable UV filter the Aluminium (SMC UV) with a transmittance of 98.9%.  UV Filters block ultraviolet light and provide protection for lenses.