http://www.photozone.de/m43/946-kowa85f28
Verdict
The Kowa Prominar MFT 8.5mm f/2.8 is entering a busy segment of the market. It has some interesting value propositions but the pricing is, unfortunately, very bold. At 900US$ it better has to be excellent. Now while the lens is certainly good, it stays somewhat short of this expectation at least. The center quality is great and the borders are also very sharp at mainstream settings. The extreme corners aren't quite as convincing though. They are downright soft at f/2.8 and it's a good idea to stop down to f/4, better f/5.6 where the results are decent. The vignetting is also higher than usual especially at f/2.8. A downright stellar performance is the lack of distortion - probably the best ever measured quality here and we are talking about the native characteristic and not about a digitally corrected result.
ÄÚ¿Í ±¤ÇÐÀÇ 8.5mm 1:2.8 ·»Áî´Â ½ÃÀå¿¡¼ ²Ï ºÕºñ´Â ºÎºÐ¿¡ µé¾î¿Ô´Ù. ²Ï Èï¹Ì·Î¿î °¡Ä¡Á¦¾ÈÀ» ÇÏ°í ÀÖÁö¸¸ °¡°ÝÀº ºÒÇàÈ÷µµ ¸Å¿ì ¹«¶Ò¶ÒÇÏ´Ù. ´ë·« 900ºÒ Á¤µµ¿´À¸¸é ÁÁ¾ÒÀ¸¸®¶ó. ¾Æ¹«Æ° ·»Áî´Â ½â ±¦ÂúÀº ÆíÀε¥, ¹°·Ð ±â´ë¿¡´Â ¹ÌÄ¡Áö ¸øÇÏ´Â Á¡ÀÌ ÀÖ´Ù. Á߾ӺΠÈÁúÀº ÈǸ¢Çϸç ÁÖº¯ºÎµµ ÁÖ·Î ¾²ÀÌ´Â Á¶¸®°³°ª¿¡¼ ±¦ÂúÁö¸¸, ±ØÁÖº¯ºÎ´Â ±×¸® ÁÁÁö ¸øÇÏ´Ù. f2.8¿¡¼´Â ¼øÀüÈ÷ ¼ÒÇÁÆ®ÇϹǷΠf4 Á¤µµ·Î Á¶ÀÌ´Â °ÍÀÌ ÁÁÀ¸¸ç, ´õ ÁÁÀº °á°ú¸¦ ¿øÇÑ´Ù¸é f5.6 Á¤µµ·Î Á¶¿©¾ß ÇÑ´Ù. °³¹æÁ¶¸®°³¿¡¼ÀÇ ºñ³×Æõµ ¿¹»óº¸´Ù ³ô´Ù. ¹°·Ð ¿Ö°îÀÌ Á¸ÀçÇÏÁö ¾Ê´Â´Ù´Â Å« ÀåÁ¡µµ ÀÖ´Ù. - ¿ì¸®°¡ °èÃøÇØ º» ·»Áî Áß¿¡ °¡Àå ÁÁÀº ¼öÁØÀÌ¸ç µðÁöÅÐ º¸Á¤ÀÌ ÀüÇô °³ÀÔµÇÁö ¾ÊÀº °ÍÀÌ´Ù.
The mechanical qualities are also impressive. It feels like a lens from the good ol' days - in a positive way. The lens body is made of metal and the controls are smooth as silk. As aspect that is probably going to be less popular is the lack of AF and an electronically couple aperture. However, thanks to its unique Dual Link Iris, the aperture ring can be changed to a movie-friendly mode (smooth settings rather than clicks) so this makes some sense at least.
Á¶ÀÛ¼º ¸é¿¡¼µµ ÀÌ ·»Áî´Â ÈǸ¢ÇÏ´Ù. ¿¾³¯ ÁÁ¾Ò´ø ½ÃÀýÀÇ ·»ÁîµéÀÇ ÀåÁ¡µéÀ» °¡Áö°í ÀÖ´Ù. ±Ý¼ÓÁ¦ ¸öü¿Í Á¶Àۺδ ºñ´Üó·³ ¸Å²öÇÏ´Ù. ÀÌ ·»Áî´Â AF³ª ÀüÀÚ½ÄÀ¸·Î ¹Ùµð¿Í ¿¬°áµÈ Á¶¸®°³ °°Àº °ÍÀÌ ¾ø´Ù´Â Á¡¿¡¼ ½â Àß Æȸ®Áö´Â ¸øÇÏ°ÚÁö¸¸, µ¶Æ¯ÇÑ µà¾ó¸µÅ© Á¶¸®°³ ½Ã½ºÅÛ ´öºÐ¿¡ Á¶¸®°³¸µÀÇ Å¬¸¯À» ³Ö°í »¬ ¼ö ÀÖÀ¸¹Ç·Î ¿µ»ó ÃÔ¿µÀڵ鿡°Ô´Â ¾îÇÊÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
Convincing mainstream MFT users of this lens is probably going to be a bit tough especially at this price point. Movie makers have different priorities regarding the AF and aperture handling though and we could well imagine that the Kowa Prominar MFT 8.5mm f/2.8 will find some friends here.
Áö±ÝÀÇ °¡°ÝÀ¸·Î´Â ¸¶ÀÌÅ©·Î Æ÷½áÁî À¯Àúµé¿¡°Ô ÀÌ ·»Á ³³µæ½ÃÅ°±â´Â Èûµé °ÍÀÌ´Ù. ¿µ»ó Á¦ÀÛÀÚµéÀº AF³ª Á¶¸®°³ Á¶ÀÛ¿¡ ´ëÇØ Á» ´Ù¸¥ °üÁ¡¿¡¼ Á¢±ÙÇϱ⠶§¹®¿¡ 8.5mm 1:2.8 ·»Áî´Â ±×µé¿¡°Ô º¸´Ù ÀûÇÕÇÒ °ÍÀÌ´Ù.
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±¤ÇÐÇ°Áú 3/5
±â°èÀû Ç°Áú 4/5
°¡°Ý´ë ¼º´Éºñ 2/5
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https://photo.popco.net/20438