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óÀ½ºÎÅÍ Askar FRA ½Ã¸®Áî ªÀº ÃÊÁ¡ ºñÀ² astrograph´Â õ¹®ÇÐÀû ÀÎ ¾Æ¸¶Ãß¾îµé¿¡°Ô ¸Å¿ì Àß ¹Þ¾Æ µé¿©Á³½À´Ï´Ù. ¿ÃÇØ ¿ì¸®´Â FRA300 Pro¸¦ Ãâ½ÃÇß½À´Ï´Ù. FRA ½Ã¸®Áî Áß °¡Àå ºü¸¥ ±âº» ÃÊÁ¡ ºñÀ²À» °¡Áø °¡Àå ÀÛÀº 60mm F/5 Petzval õü ±×·¡ÇÁÀ̸ç ÃÊÁ¡ °Å¸®´Â 300 mmÀÔ´Ï´Ù.
º°Àº ³¯Ä« ·Ó°í ¼¶¼¼ÇÕ´Ï´Ù. ½Ã¾ßÀÇ Á߽ɿ¡¼ RMS ¹Ý°æÀº 2um ¿¡ µµ´Þ ÇÒ ¼ö ÀÖ½À´Ï´Ù. ÁøÁöÇÑ »ç¿ëÀÚÁ¶Â÷µµ º° ¸ð¾ç¿¡ °üÇؼ´Â ¸¸Á·ÇÒ ¼ö ÀÖ½À´Ï´Ù. Ç® ÇÁ·¹ÀÓÀ¸·Î ¿ì¼ö¼ºÀ» ¹ßÈÖÇÏ¸ç ¾Æ¸¶Ãß¾î õ¹®ÇÐ ÀÚ¿¡°Ô´Â µå¹® õü »çÁø ÀÎ 44mm À̹Ì¡À» Áö¿øÇÕ´Ï´Ù. F/6 ¶Ç´Â F/7 °ú ºñ±³ÇÏ¿© F/5 ´Â ³ëÃ⠽ð£À» È¿°úÀûÀ¸·Î ÁÙ¿© ªÀº ½Ã°£¿¡ µ¿ÀÏÇÑ ³ëÃâÀ» ¾òÀ» ¼ö ÀÖµµ·Ï µµ¿ÍÁÝ´Ï´Ù. ¶ÇÇÑ Àüü OTA´Â ÄÄÆÑÆ®Çϸç, ÇöÀå »çÁø°¡¸¦À§ÇÑ ÈÞ´ë¿ë ¼±ÅÃÀÔ´Ï´Ù.
FRA300 ProÀÇ ´ë¹° ·»Áî´Â ED À¯¸® ÇÑ Á¶°¢À» Æ÷ÇÔÇÏ¿© ´Ù¼¸ ½ÖµÕÀÌÀÇ ¿ÏÀü °ø±â °£°Ý ±¸Á¶¸¦ äÅÃÇÏ°í ºø³ª°£ ºûÀ» È¿°úÀûÀ¸·Î Á¦°ÅÇϱâ À§ÇØ ¿ÏÀü ´ÙÁß ÄÚÆÃÀ» äÅÃÇÕ´Ï´Ù.
ƯÈ÷, ÈÄ¹æ ±×·ì ·»Áî´Â µÎ °³ÀÇ ¸Ö¸® ºÐ¸® µÈ ±¼Àý ·»Á äÅÃÇÏ¿© º° Ç°Áú°ú ¼öÂ÷ º¸Á¤ ¼º´ÉÀ» Çâ»ó½Ãŵ´Ï´Ù. Ç® ÇÁ·¹ÀÓ ÁÖº¯ Á¶¸í °¨¼Ò¸¦ ¸Å¿ì Àß Á¦¾îÇÕ´Ï´Ù.
±âº» Petzval µðÀÚÀÎ ´öºÐ¿¡ Æ÷Ä¿½º°¡ ƯÁ¤ ¹üÀ§ ³»¿¡ÀÖ´Â ÇÑ »ç¿ëÀÚ´Â ¹é Æ÷Ä¿½º¸¦ °è»êÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù. ÃÖÀûÀÇ À§Ä¡ÀÔ´Ï´Ù.
±â°èÀûÀ¸·Î FRA300 Pro´Â °íÇ°ÁúÀÇ CNC °¡°ø ºÎÇ°À¸·Î Á¶¸³µÇ¸ç ºÎµå·¯¿î ½ºÇÁ·¹ÀÌ ÄÚÆðú °¡º¿î »êÈ °øÁ¤À¸·Î Æ÷ÀåµÇ¾î ¾Æ¸§´ä°í ½Ç¿ëÀûÀÔ´Ï´Ù. Æ©ºê ¸µ µðÀÚÀÎÀº ¶È°°ÀÌ °¡º±°í ¼¼·ÃµË´Ï´Ù. ºñ¿ë Áõ°¡¿¡µµ ºÒ±¸ÇÏ°í, ¿ì¸®´Â ¾ÖÈ£°¡°¡ ¸ðµç¸é¿¡¼ Àß ÀÛµ¿ÇÏ°í ¸ðµç¸é¿¡¼ öÀúÈ÷ °í·Á µÈ FRA300 Pro¸¦ »ç¿ëÇϱ⸦ ¹Ù¶ø´Ï´Ù.
Æ÷Ä¿¼´Â 2.5 "·¢ ¾Ø ÇǴϾð (rack-and pinion) À¸·Î °ß°íÇÏ°í ¾Æ¸§´ä½À´Ï´Ù. ¹ü¿ë M48X0.75 ½º·¹µå ¾î´ðÅÍ°¡ ÀåÂø µÈ ÀÌÁß ¼Óµµ ÇÚµå ³ëºê, °ÅÄ£ Á¶Á¤À»À§ÇÑ Æ®À© ³ëºê ¹× ÃÊÁ¡À» Á¤È®ÇÏ°ÔÇÏ´Â ¹Ì¼¼ Á¶Á¤ ³ëºê·Î ¼³°èµÇ¾ú½À´Ï´Ù. ¶ÇÇÑ Ç¥ÁØ Å°Æ®¿¡´Â µÎ °³ÀÇ M54X0.75 ¹× M48X0.75 ¾î´ðÅÍ°¡ ÀÖ¾î ´Ù¾çÇÑ À̹Ì¡ Àåºñ ¹× ¾×¼¼¼¸®¿¡ ½±°Ô ¾×¼¼½ºÇÒ ¼ö ÀÖ½À´Ï´Ù. ³¡ ºÎºÐ¿¡´Â 360 ° ·ÎÅ×ÀÌÅÍ°¡ ÀåÂøµÇ¾îÀÖ¾î »ç¿ëÀÚ°¡ ÃÔ¿µÇÒ ¶§ ¾î¶² °¢µµ·Îµç ȸÀü ÇÒ ¼ö ÀÖ½À´Ï´Ù.
FRA300 Pro´Â ¶ÇÇÑ ´Ù±â´É ÇÚµé°ú ´Ù¾çÇÑ ¸¶¿îÆ® ¹× ¾×¼¼¼¸®¿¡ Á÷Á¢ ¿¬°áÇÒ ¼öÀÖ´Â 300mm vixen ½ºÅ¸ÀÏ ´õºêÅ×ÀÏ Ç÷¹ÀÌÆ®°¡ ±âº»À¸·Î Á¦°øµË´Ï´Ù. ´Ù±â´É ÇÚµéÀº ¹ü¿ë vixen ½ºÅ¸ÀÏ ÆÄÀδõ º£À̽º¿¡ ¿¬°áÇÒ ¼öµµ ÀÖ½À´Ï´Ù. 300mm ´õºêÅ×ÀÏ Ç÷¹ÀÌÆ®´Â õü ±×·¡ÇÁ°¡ ¸¶¿îÆ®¿¡¼ ±ÕÇüÀ» À¯ÁöÇÒ ¼ö ÀÖµµ·Ï ÇØÁÝ´Ï´Ù.
Askar°¡ Ãâ½Ã ÇÑ ÃÖÃÊÀÇ Pro ¹öÀü ÀÎ FRA300Pro ´Â ³î¶ó¿î ÃÔ¿µ ¼º´É, Æí¸®ÇÑ ÈÞ´ë ¹× »ç¿ë °æÇè, ºñ¿ë È¿°úÀûÀÎ °¡°ÝÀ¸·Î ÃÖ°íÀÇ ÃµÃ¼ »çÁø Á¶¼ö°¡ µÉ °ÍÀÔ´Ï´Ù.
Á¶¸®°³ Å©±â: 60mm
ÃÊÁ¡ °Å¸®: 300mm
ÃÊÁ¡ ºñÀ²: F/5
´ë¹° ·»Áî: ´Ù¼¸ ½ÖµÕÀÌ ¿ÏÀü °ø±â °£°Ý Petzval APO (ED À¯¸® 1 °³ Æ÷ÇÔ)
À̹ÌÁö ¼Å¬: 44mm Ç® ÇÁ·¹ÀÓ
ÃÖ´ë ¾×¼¼¼¸® ¿¬°á (Æ÷Ä¿¼°¡ ¿ÏÀüÈ÷ ÈÄÅðÇÑ °æ¿ì):
1. À̹Ì¡ ¸ðµå:
71mm (M42 ¡¿ 0.75 ¼ö ½ÇÀÇ ¹Ù´Ú¿¡¼)
67mm (M48 ¡¿ 0.75 ¼ö ½ÇÀÇ ¹Ù´Ú¿¡¼)
71mm (M54 ¡¿ 0.75 ¼ö ½ÇÀÇ ¹Ù´Ú¿¡¼)
ÃÑ ±æÀÌ: 303mm
¼øÁß·®: 2.26kg
ÃÑ Áß·®: 3.12kg
ÈÄ¸é ½º·¹µå: M48 * 0.75 ¼ö ½º·¹µå
Ç¥ÁØ ÆÐÅ°Áö Ç°¸ñ: ÇÑ ½ÖÀÇ Æ©ºê ¸µ, ÇÚµé, ´õºêÅ×ÀÏ Ç÷¹ÀÌÆ®, M42 * 0.75 ¾î´ðÅÍ, º¸Áõ, ¼³¸í¼
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