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Archive 2005 · Older 100f2.8 Macro
  
 
Tri Tran
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p.1 #1 · p.1 #1 · Older 100f2.8 Macro


How is the optic of this one compares to the newer version. Is USM that important for a macro lense? Does the lense changes its size when focusing? Do I need a lense hood for it?
Thanks
Tri



Apr 30, 2005 at 01:42 AM
AGeoJO
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p.1 #2 · p.1 #2 · Older 100f2.8 Macro


Some people believe that the "older", non-USM 100mm macro is optically better than the USM version. They are, at least, very close to each other. I used to have one, sold it and bought the verson. Unlike the USM version, the front element is recessed enough for the lens to be used without any lens hood. You cannot go wrong with either IO.

Joshua



Apr 30, 2005 at 02:41 AM
Tri Tran
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p.1 #3 · p.1 #3 · Older 100f2.8 Macro


Thanks for the response. Do you rememper if the old 100 changes the length when focusing?
Tri



Apr 30, 2005 at 02:49 AM
 

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AGeoJO
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p.1 #4 · p.1 #4 · Older 100f2.8 Macro


Since I sold it quite sometime ago I don't remember for sue but I think it does. I am sure that there are people on this forum that have that lens. Buhler?


Apr 30, 2005 at 03:25 AM
nutek
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p.1 #5 · p.1 #5 · Older 100f2.8 Macro


yes, the front extends when focussing.


Apr 30, 2005 at 03:48 AM
Tri Tran
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p.1 #6 · p.1 #6 · Older 100f2.8 Macro


Nevermind guys, I decided to settle for the Tamron DI 90 Macro. I almost bought the Canon but decided not to. Thanks for the help.
Now I will have to wait for that lense to get here.



Apr 30, 2005 at 04:58 AM







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