Entry-level astronomical camera——SV105 astronomy camera. When you use the SV105 Astronomy Camera with a telescope, you need to adjust the telescope focus wheel while checking the image on your computer for clarity/sharpness.Note: The SV105 Astronomy Camera does not autofocus; you need to adjust the telescope focus to see a clear image.The SV105 camera works with many Windows, Linux, and Android systems.The SV105 Astronomy Camera works with telescopes with focal lengths ranging from 400mm to 800mm, so a refractor telescope with this focal length should see a clear image without any accessories.A tip for beginners: If you are photographing the moon, turn the gain and brightness down a bit, as the moon is closer and brighter. When photographing planets, increase the gain and brightness, as they are much fainter objects.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.