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SVBONY SV520 telescope review: A 90mm beginner scope that works

I’ve spent years peering through all kinds of telescopes, from inexpensive bargain-bin refractors to heftier setups costing well into the tens of thousands. When I got my hands on the SVBONY SV520, which is a 90mm aperture, 800mm focal length refractor bundled with an alt-az mount and a slew o...