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| physical object > artifact > device > instrument > optical device > wavefront modifier > spectrograph dispersing element > objective prism |
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| objective prism comparison table | ||
| Subject | is a kind of | has definition |
|---|---|---|
| spectrograph dispersing element | wavefront modifier | The part of a spectrograph which disperses the light into component colors |
| objective prism | spectrograph dispersing element | A small-angle prism placed in front of a telescope objective to transform each star image in a field of stars into an image of its spectrum. |
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