Obi-Wan 於 2010 年 1 月 29 日 上載
compare depth of field 200mm+2X vs 400mm (400mm)
The comparison is done at a distance object to minimize the change in focal length as a lens focus on a close object, thanks for watching
0
讚好
讚好
1.5k
瀏覽
瀏覽
0
回應
回應
