The SVBONY filter is a better choice for all digital imaging with digital cameras; DSLR camera; CCD cameras; modified Webcams and telescopes. The UV-IR-Cut filter uses the very latest coating technology to deliver the high filtration quality and lifetime durability. The UV-IR cut filter combine with any of the other Baader filters screws into the back of the eyepiece or camera adapter to block out the chromatic aberration unwanted. So it delivers the sharper images possible; it can also reduce the ghost images caused by IR radiation. The 1.25" UV/IR CUT filter infrared filter CCD camera interference UV filter; true optical quality glass substrate and coatings. Very low reflection multi coating; striate free; and plane parallel substrate. Combine with any of the other Baader filters to deliver sharper images possible. Comes with a plastic box to keep it safe and clean when not in use. Glass Thickness: 1.85mm SVBONY SV220 7nm SII&OIII dual narrowband filter is engineered for astrophotography, allows One-Shot Color cameras to capture rich, detailed narrowband images in a single exposure, without the need for combining multiple filters. High transmission and sharp cut-off can greatly enhance the contrast and bring out the most detailed information for those deep-sky objects. Designed to sharply cut off the inference of artificial light from sodium vapor or mercury vapor street lights and other unwanted disturbance like sky glow.