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  • Australian Sky & Telescope

    Tiny telescope aims high

    Jun 08, 2022 3 minutes
    by Jerry Oltion

    IN NOVEMBER 2021 an online video went viral. My inbox filled with emails all containing the same link, all with the same subject line: “You must write about this!” Indeed, I must. If this isn’t the coolest telescope I’ve ever seen, then I haven’t seen a telescope.

    What Dutch optical engineer Rik ter Horst has made is quite possibly the world’s most compact Schmidt-Cassegrain telescope. And he’s made it out of a single piece of glass.

    The diagram and photos on these pages tell you everything in an instant: The Schmidt corrector is ground

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