SVBONY telescope camera adapter keeps the beautiful and interesting view of the telescope or microscope easily You can attach the camera to the telescope conveniently since using this SVBONY adapter combination You can also share with your friend or family through the camera screen;pictures and video which is available. Versatile and sturdy;solid and durable for long term use All-metal structure; exquisite workmanship; and stable quality 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.