Astronomy View all facts Glossary Help| Astronomy View all facts Glossary Help |
| physical object > artifact > device > instrument > optical device > wavefront modifier > lens > achromatic lens |
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| achromatic lens comparison table | ||||||||||||||||||||
| Subject | has purpose | has location | has material | has owner | has volume | is a kind of | has temperature | has creator | has operator | has velocity | has momentum | has focal ratio | has extent | has mass | has definition | has angular momentum | has wavefront modification | has focal length | has index of refraction | has creation date |
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| achromatic objective | or center of gravity | achromatic lens | A lens of two or more components with different refraction indices (e.g., crown glass and flint glass), used to correct for chromatic aberration. | shape |
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