看上去专业的人不用变焦镜. 不知道上边说的一切在数码时代有什么变化

俺孩子小时候幼儿园班上一个孩子爸爸是NG摄影师. 那孩子开生日聚会拿回来的照片都模糊不清. 妈妈抱歉说那天LG不在, 她的P&S突然坏了, LG的相机太复杂她老弄不好. :)

所有跟帖： 

• 可惜了，身边的老师 -北京西城区- ♀ (0 bytes) () 12/16/2006 postreply 12:07:00

• they use "fast" zoom lenses with constant aperture -moab- ♂ (156 bytes) () 12/16/2006 postreply 16:34:30

• 菜鸟问题. 老看见这个镜头的快和慢,是指什么? --realblue-- ♀ (0 bytes) () 12/16/2006 postreply 17:20:48

• 快慢是说光圈。光圈大的镜头可以用更快的快门（在同样 -moab- ♂ (76 bytes) () 12/16/2006 postreply 17:32:37

• "f/1.4 is much "faster" than f/5.6" It is 16X to be exact -zzyzx- ♂ (19 bytes) () 12/16/2006 postreply 18:18:51

• huh? 16X? It's better to use the f-stops--no confusion there. -moab- ♂ (0 bytes) () 12/16/2006 postreply 18:57:52

• "It's better to use the f-stops--no confusion there." Then ,don -zzyzx- ♂ (0 bytes) () 12/16/2006 postreply 19:41:49

• 'nt bother, computer calculates for you:) -zzyzx- ♂ (0 bytes) () 12/16/2006 postreply 19:59:54