可以說幾乎確認PHOTOKINA前將發佈兩隻白砲
會是哪隻呢?

2008 EF200mm F2L IS USM
2011 EF300mm F2.8L IS II USM
1997 EF300mm F4L IS USM
2011 EF400mm F2.8L IS II USM
2014 EF400mm F4 DO IS II USM
1993 EF400mm F5.6L USM
2011 EF500mm F4L IS II USM
2011 EF600mm F4L IS II USM
2008 EF800mm F5.6L IS USM
鏡頭前玉還留有保護鏡的似乎是優先考量??

CR