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01-13-2010, 02:55 PM
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Back button focus?
Anyone here back button focus?
I'm trying to get used to it...it seems to have a lot of advantages when AFing
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Flickr Canon 50d, ef-s 10-22, 24-70 f/2.8L, 50 f/1.4, SL 430 exii It is OK to edit and repost my pictures on DPS only 
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01-13-2010, 04:00 PM
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I've got my camera set now so I can only focus on the back. Initially I would forget that I had done it and get mad because my picture was out of focus. It took a minute to get used to but I really do like using it now. Since I'm shooting sports, I have the AI Servo mode set and will use the back button and blast away on the shutter button when ready without skipping a beat.
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Lori Putman flickr ~No one can drive us crazy unless we give them the keys ~~Life isn't about waiting for the storm to pass, it's about learning to dance in the rain! 7D | 300L f/4 IS | 135L | 35L | 100/2.0 | 50/1.4 430 EX, 580 EX II Speedlites
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01-13-2010, 06:13 PM
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I use the back focus button all the time!
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url:www.jimbryantphotography.com http://pa.photoshelter.com/c/jimbryant http://jimbryantphotography.blogspot.com/ (3) EOS1D MKIIs', (1) EOS1Ds MKII, 14mmf2.8, 16-35mmf2.8, 28-70mmf2.8, 70-200mm f2.8, 300mm f2.8 and a 400mmf2.8.
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01-13-2010, 08:38 PM
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It depends on the situation. When I want to shoot as soon as focus lock has been obtained (such as when using Servo AF) I definitely use the shutter button focus. When I'm composing a still life or landscape, I turn off the shutter button focus and only use manual + the rear AF button.
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Website: http://stuvel.eu/ Gear: All Canon: EOS 7D EOS 350D 10-22mm F/3.5-4.4 USM 17-55mm F/2.8 IS USM 70-300mm F/4-5.6 IS USM 85mm F/1.8 USM 60mm F/2.8 USM Macro Speedlite 580EXII, 430EX and 430EXII
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01-13-2010, 09:50 PM
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If you want to learn more about "back button focus" here is a link to a Canon tutorial explaining why and how to use it:
Canon Digital Learning Center - Back-Button Auto Focus Explained
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Canon 40D (x2) | 5DMKI | 70-200-f2.8L IS | 28-f1.8 | 85-f1.8 | 200-f2.8L | 100-f2.8 Macro | 17-40-f4L | 24-105-f4L | 50-f1.8 | Speedlite 580 EXII | Speedlite 430EXII "It's a good life and someone has got to live it." Snapixel
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01-13-2010, 11:07 PM
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Quote:
 It's why I posted...just wondering if people found it useful. I practiced with it last night (not enough to really get a feel for it...)
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Flickr Canon 50d, ef-s 10-22, 24-70 f/2.8L, 50 f/1.4, SL 430 exii It is OK to edit and repost my pictures on DPS only
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01-14-2010, 01:14 AM
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Must be a nikon thing: on bodies with both buttons, one can set each to work independently of the other. One for AF-S one for AF-C.
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I am responsible for what I say; not what you understand. OsmosisStudios Gear List
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