嗯，没说清楚

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送交者: 水手于 2012-01-16, 20:50:31:

回答: D4? 由 blackbox 于 2012-01-16, 20:27:08:

是试镜头，新败了一个300 f/2.8 IS II USM，外加一个2x TC III（这些都是加TC的，机身50D）

你记性真好，还知道我是用无敌兔 :-)

所有跟贴:

can you hand-hold it? - cornbug (40 bytes) 2012-01-16, 21:18:46 (641718)
- I need to buy a monopod, but ran out of money ... (无内容) - 水手 (0 bytes) 2012-01-16, 21:45:40 (641736)
  - come on! a monopod is only a tiny fraction of that lens! - 猎人 (55 bytes) 2012-01-16, 22:09:49 (641746)
    - He used up all his reserves:) Any pod will limit the - cornbug (43 bytes) 2012-01-16, 22:15:52 (641751)
- My elbow is already injured :-) (无内容) - 水手 (0 bytes) 2012-01-16, 21:39:13 (641729)
  - before becoming muscular! (无内容) - cornbug (0 bytes) 2012-01-16, 21:47:24 (641737)
- you don't need this kind of len, - blackbox (61 bytes) 2012-01-16, 21:35:06 (641725)
酷 - blackbox (174 bytes) 2012-01-16, 21:10:45 (641714)
- I do a lot of hiking - 水手 (102 bytes) 2012-01-16, 21:41:50 (641731)
  - 是挺重的, 要我也得三思. - blackbox (117 bytes) 2012-01-16, 21:54:18 (641739)
    - TC - 水手 (225 bytes) 2012-01-16, 22:31:45 (641759)
      - don't know why. I never liked telephotography. - 猎人 (221 bytes) 2012-01-16, 22:55:09 (641762)
- Not 画质, but focusing speed and resolution. (无内容) - cornbug (0 bytes) 2012-01-16, 21:13:01 (641715)
  - well, sometime people using entry level DSLR - blackbox (110 bytes) 2012-01-16, 21:25:42 (641720)
Will that make it 600/f ?? (无内容) - 猎人 (0 bytes) 2012-01-16, 21:07:33 (641709)
- 2*2.8 = f5.6 (无内容) - cornbug (0 bytes) 2012-01-16, 21:10:33 (641713)
  - does it matter? I saw you always use f/8.0 (无内容) - blackbox (0 bytes) 2012-01-16, 21:29:31 (641722)
    - I guess not, especially for DSLRs. - 猎人 (136 bytes) 2012-01-16, 21:35:19 (641726)
      - Some lens/camera combos need micro-adjustment - 水手 (86 bytes) 2012-01-16, 21:57:11 (641740)
        
        never heard this. what is this? (无内容) - 猎人 (0 bytes) 2012-01-16, 22:17:30 (641753)
        
        Some camera lens combos has back-focusing - cornbug (336 bytes) 2012-01-16, 22:38:05 (641760)
        
        Some camera lens combos has back-focusing - cornbug (336 bytes) 2012-01-16, 22:29:50 (641758)
        
        some cameras have this feature - 水手 (191 bytes) 2012-01-16, 22:24:46 (641757)
        
        That is good. I did mine also. (无内容) - cornbug (0 bytes) 2012-01-16, 22:04:53 (641744)
        
        how did you do that? - blackbox (35 bytes) 2012-01-16, 22:11:08 (641747)
        
        Not every camera allows you to do it. - cornbug (92 bytes) 2012-01-16, 22:20:23 (641755)
        
        OK, will double check. - blackbox (21 bytes) 2012-01-16, 22:23:45 (641756)
It will be much better with 1.4x, I guess. (无内容) - cornbug (0 bytes) 2012-01-16, 20:57:10 (641706)

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