Hi,a little Question regarding the EF 2x Extender II or III paired with a 300 2.8 on a 7D or 1D IV for a little extra reach, what do i have to expect in terms of AF Speed and Image Quality?
Thanks for your Input
Foil Member 140 posts Joined Jan 2010 Location: Germany More info | Apr 06, 2011 10:36 | #1 Hi,a little Question regarding the EF 2x Extender II or III paired with a 300 2.8 on a 7D or 1D IV for a little extra reach, what do i have to expect in terms of AF Speed and Image Quality? Still learning Day by Day.Canon1D IV,7D Gripped,40D Gripped,350D,PENTACON SIX & CZJ Biometar 80 2.8 ,10-22mm,24-70 2.8, 85 1.8,50 1.4,50 1.8,100 2.8, 70-200 2.8,100-400mm, 300 2.8
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MikeHoyer Senior Member 252 posts Joined Jul 2006 More info | Apr 06, 2011 13:48 | #2 AF is pretty slow and inconsistent. Manually focusing works better, images aren't quite as vibrant either. Motorsport Photographer
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MisterZ Mostly Lurking 13 posts Joined Mar 2010 More info | Apr 06, 2011 22:01 | #3 I've heard the same. The 1.4 is much sharper than the 2.0 Blackwater Photo Haus www.blackwaterphotohaus.com
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Apr 06, 2011 22:04 | #4 Thanks for the Info,Looks like i will Start saving for a 600mm Still learning Day by Day.Canon1D IV,7D Gripped,40D Gripped,350D,PENTACON SIX & CZJ Biometar 80 2.8 ,10-22mm,24-70 2.8, 85 1.8,50 1.4,50 1.8,100 2.8, 70-200 2.8,100-400mm, 300 2.8
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