Last Updated:2025/11/22

Many amateur astronomers prefer refractors for planetary observing because they deliver sharp, high-contrast images with minimal maintenance.

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Many amateur astronomers prefer refractors for planetary observing because they deliver sharp, high-contrast images with minimal maintenance.

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多くのアマチュア天文家は、惑星観測に屈折望遠鏡を好みます。これらは手入れがほとんど不要で、シャープでコントラストの高い像を提供するからです。

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