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Á¦¸ñ |
¼öÂ÷(Aberration) |
À̸§ |
¿¡ÀÌ¿ÉÆ½½º |
÷ºÎ |
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ÀϹÝÀûÀÎ ±¸¸é·»Á Åë°úÇÏ´Â ÀÏ·ÃÀÇ ±¤¼±µéÀ» ÃßÀû ÇÒ ¶§ ±¤¼±µéÀÌ ÇÑ Á¡¿¡¼ ¼ö·ÅÇÏÁö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ´Ù. ·»ÁîÀÇ ÁÖº¯À» Åë°úÇÏ´Â ±¤¼±µéÀº ÃÊÁ¡ÀÌ ·»Áî¿¡ °¡±õ°Ô ¸ÎÈ÷°í, ·»ÁîÀÇ Á᫐ Áï ±¤ÃàÀ» Åë°úÇÏ´Â ±¤¼±µéÀº ÃÊÁ¡ÀÌ ´õ ¸Ö¸® ¸ÎÈûÀ» º¼ ¼öÀִµ¥ À̰ÍÀ» ¼öÂ÷(aberration)¶ó°í ÇÑ´Ù.
¼öÂ÷´Â ·»ÁîÀÇ Á¦Á¶°úÁ¤¿¡¼ ¹ß»ýÇÏ´Â °áÇÔ°ú, ±× ¹Û¿¡ ¹ß»ýµÇ´Â ´Ù¸¥ °áÇÔÀÌ ¾ø´Â ·»Áî¿¡¼ »Ó¸¸ ¾Æ´Ï¶ó ½ÉÁö¾î ¾çÁúÀÇ À¯¸®·Î ¸¸µé¾îÁø ·»Áî¶ó ÇÒÁö¶óµµ ·»ÁîÀÇ °íÀ¯ÇÑ °áÇÔ¿¡ ÀÇÇØ¼ ¹ß»ýÇÑ´Ù.
¼öÂ÷¿¡´Â ´Ü»ö±¤¿¡¼ ¹ß»ýÇÏ´Â ´Ü»ö¼öÂ÷(monochromatic aberrations)¿Í ÃÖ¼ÒÇÑ µÎ °³ ÀÌ»óÀÇ ÆÄÀåÀ» Æ÷ÇÔÇÑ ºû¿¡¼ ¹ß»ýÇÏ´Â »ö¼öÂ÷(chromatic aberrations)·Î Å©°Ô ³ª´ ¼ö ÀÖÀ¸¸ç, ´Ü»ö ¼öÂ÷´Â ±¸¸é¼öÂ÷(spherical aberration), ÄÚ¸¶¼öÂ÷(coma), ºñÁ¡¼öÂ÷(astigmatism), »ó¸é¸¸°î(field curvature), ¿Ö°î¼öÂ÷(distortion)·Î ºÐ·ù µÇ¸ç, »ö¼öÂ÷´Â Á¾»ö¼öÂ÷(longitudinal chromatic aberration)¿Í Ⱦ»ö¼öÂ÷(lateral chromatic aberration)·Î ³ª´©¾î Áø´Ù.
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2005-10-10 20:07:31 |
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