STC ND circular filters are packed with technology using the finest materials. Each filter boasts 1.1mm German Schott® B270 optical crown glass, Zero-color-cast, glass surface flatness is up to 20/40, which is suitable for high resolution cameras and 1200mm or more focal length telescope lenses, Double-sided multilayer NANO coating, Waterproof, grease-proof and antistatic and a 5mm matte black 6061 Aluminum rim to avoid vignetting and flare.
Fed up of the additional filter cost when you buy a new size lens? Our clip filters not only protect your sensor, offer no degradation, but work with all your lenses!
We understand you want the best. You spend as much money as you can on your equipment. That's why all our products are manufactured from the latest materials and coating technology.