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      07-10-2013, 04:46 PM   #4412
dcstep
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Drives: '09 Cpe Silverstone FR 6MT
Join Date: Nov 2008
Location: Colorado

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2009 M3  [8.40]
Quote:
Originally Posted by M_Six View Post
The speed is needed when you start adding TCs. The f2.8 only goes to f5.6 with a 2x TC. Speed is good.

Just because, I went out with the Tamron 70-200 f2.8 VC mounted with the Kenko 1.4x TC. So this is a 100 crop from the center of a 280mm f4 shot.
My default ISO is 800 with the super-teles, so that I can get the shutter speed up where needed. When it's really bright, I'll pull it down to ISO 400 and go up to 1600 when the clouds roll in.
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