Any less than that, and you’ll struggle to see details on even the closest objects like the Moon or Mars. That’s because larger lenses let more light in - simple really! Beginner scopes for amateur astronomers usually start with apertures around 60 or 70mm in diameter. Generally, the bigger the lens, the more distance and detail you will see. Why not have a night sky indoors too with a star projector?Ī beginners telescope can provide anything from awe-inspiring views of the Milky Way’s nebulae or Solar System planets like Jupiter and Saturn to smaller scale but slightly more detailed views of Mars, the Moon and maybe even Venus! What you can expect to see will depend on the size of the lens or aperture. It's not as difficult as it may sound, but it will require some work on your part. Because of their size and intricacy, the mirrors inside may sometimes need realigning or cleaning – a process known as collimation. Just be aware that reflectors will need some maintenance. Even with a 100 mm reflector, you should find stunningly detailed views of the Gas Giant planets and even further objects within the Milky Way on a clear night. Past that point, you’d either need a mini-observatory setup or a trailer on the back of a van to carry it – neither of which is very beginner-friendly. However, as a beginner, we wouldn’t recommend going much bigger than 150 or 200 mm. Reflectors usually start at around 100 mm and can go up to 750 mm or more for the amateur market. Unlike refractors, there’s no light splitting involved, so you should get crisp images of far away objects with ease. Reflectors use several mirrors positioned inside a longer tube to get your image to the eyepiece.
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