Are you getting good %s of keepers for moving subjects? Thanks, Bob
StarDog Senior Member  816 posts Joined May 2006 Location: Vermont More info | Jan 03, 2008 13:33 | #1 Are you getting good %s of keepers for moving subjects? Thanks, Bob Camera, Big Lens, BushHawk & Camo
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gjl711 Wait.. you can't unkill your own kill.  57,730 posts Likes: 4065 Joined Aug 2006 Location: Deep in the heart of Texas More info | Jan 03, 2008 13:35 | #2 I haven’t shot with the 30D but I do have a 400D which essentially has the same focus system as the 30D as I understand it and I can clearly say that the 40D focuses quicker and more accurately especially in AI. Not sure why, but call me JJ.
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smcclelland Goldmember 2,686 posts Likes: 2 Joined Aug 2007 More info | Jan 03, 2008 13:38 | #3 |
CartoonBear Senior Member  946 posts Joined Jun 2007 Location: SoCal More info | Jan 03, 2008 13:38 | #4 |
GDHugh Member 213 posts Joined Dec 2007 Location: Pensacola Florida More info | Jan 03, 2008 13:49 | #5 Just got back from Disney. My first big trip with the 40D. Filled up 6GB of images. Many shot at night, many hand held ISO1600 and "H". First view thru my images, I through out about 50 of the close to 400 RAW images. I think that's darn GREAT! My 20D would have been about 75% keeper. David
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Broncobear Goldmember  2,415 posts Joined Oct 2006 Location: Ottawa Ontario Canada More info | Jan 03, 2008 14:36 | #6 AI Servo on the 40d is really something...I'm very delighted with the better AF on the 40D "The real voyage of discovery consists not in seeking new landscapes, but in having new eyes." "
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Mark_Cohran Cream of the Crop  More info | Jan 03, 2008 14:44 | #7 No problems here. Mark
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I shoot a lot of birds pictures, and the one thing I have noticed comparing the 40D to the 30D is that the 40D does a much better job of focusing on birds that are in the midst of leaves and branches. The 30D would almost always have problems picking out the bird, while the 40D often gives tack-sharp images and is not fooled by the branches. I don't know if the sensors are smaller (not likely) or what. It is not a matter of the center point (which I use) being cross-type, because my birding lens (100-400) is f/5.6. Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC
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aoleg Member  115 posts Joined Jan 2007 Location: Vancouver, BC More info | Jan 03, 2008 15:20 | #9 I used to have an XTi, and my 40D is much better at focusing with AI Servo + 70-200/4L. I get close to 90% properly focused shots of moving targets with that lens, while the XTi keeper rate was about 70% with the same lens. 5DmkII | Tokina 80-400 D | Tokina 100 2.8D macro | EF 85 1.8 | EF 70-200 4L | 24-70 2.8L
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davekadolph "Fix the cigarette lighter"  6,140 posts Gallery: 1 photo Joined Mar 2007 Location: West Michigan--166.33 miles to the Cook County courthouse More info | So far so good. Middle age is when you can finally afford the things that a young man could truly enjoy.
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Jan 03, 2008 17:39 | #11 Mine is so sharp when shooting outdoor swim meet at 1/4000s
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Bosscat Goldmember 1,892 posts Likes: 3 Joined Apr 2005 Location: Ontario Canada More info | Jan 03, 2008 18:12 | #12 Are you viewing your images at 100% in photoshop in making your comparsions? Your camera is alot smarter than the "M" Zealots would have you believe
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KeithR Goldmember 2,856 posts Likes: 1 Joined Aug 2006 Location: Blyth, Northumberland, NE England More info | Jan 03, 2008 19:11 | #13 To Stardog: I've always managed just fine with my 30D, but my 40D is definitely better.
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Hermeto Cream of the Crop  6,674 posts Likes: 2 Joined Oct 2005 Location: Toronto, Canada More info | Jan 03, 2008 19:34 | #14  Permanent banVery good AF, considerable improvement over XT.. What we see depends mainly on what we look for.
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ronmayhew Goldmember  1,478 posts Likes: 1 Joined Feb 2005 Location: Gainesville, Georgia, USA More info | Jan 03, 2008 21:55 | #15 Very good AF. My keeper rate for basketball pics has improved dramatically with the 40D over the 30D. flickr
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, 135mm f/2.0