ITO 寫道:Nikon Nikkor-O S 21mm F4 http://kakaku.com/used/shop/19001/pS3180611001539/http://www.mapcamera.com/sho/search.php?MODE=M_VIEW&ACT=A_DETAIL&map_code=3180611001539&class=03品相也不很好,售945,000日圓 神鏡 Nikon原廠介紹NIKKOR-O 2.1cm F4http://www.nikon.co.jp/main/jpn/profile/about/history/nikkor/n01j.htm