With a 90mm large aperture and 800mm focal length, SVBONY SV520 telescope collects more light, allowing for better observation of deep-sky objects. Compared to other entry-level products with a 70mm aperture, it provides brighter and clearer images. This powerful telescope is an ideal choice for astronomy beginners, featuring well-matched components and easy assembly. We've also created an installation video and offer dedicated technical support to help you get started with ease. The altitude-azimuth mount features a worm gear drive system, ensuring smooth and precise movement. With 360° horizontal and 90° vertical adjustment, it maximizes your ability to meet all observational needs. The package includes a K25mm eyepiece and a moon filter. You can also pair it with high-magnification eyepieces and other filters to meet a variety of observational needs. SVBONY SV105 is a great way to get started with astroimaging; simply point your telescope at the Moon or a planet and record a quick video;and you will get a bright; clear image with the maximum amount of color and detail. Allows you to transmit the real-time view through your telescope to a laptop or PC;and capture great digital movies and images.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.