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FORUMS Photo Sharing & Discussion Birds 
Thread started 27 Jun 2011 (Monday) 05:10
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Focusing with a xxD

 
John_N
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Jun 27, 2011 05:10 |  #1

Hi,

I'm trialing the 60D at the moment and wonder if you have any tips for getting the focus right when the background is a little busy?

I know they can be good and some of the shots I've taken in the last few days have been my best (non-BIF shots) but yesterday I was out on a cloudy day with the 100-400 and had very few keepers even only a couple with birds on a feeder!

I've also found that the autofocus is a little skittish, I can have something locked and then it focuses on the background for a second then back again, but by that time I've missed the shot. This is a all nine points, but keeping a swift under a single point seems impossible.

Any tips would be gratefully received.

If you need them take a look at my Flickr but the ones over the last couple of days are all from the 60D.

Here are a couple:

IMAGE: http://farm4.static.flickr.com/3141/5873153779_0fba4079c5_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/magsnorton/5873​153779/  (external link)
IMAGE: http://farm6.static.flickr.com/5065/5869531794_2a88eda2b4_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/magsnorton/5869​531794/  (external link)
In fairness these were a long way off.

I had better luck with these, but its was pretty close when I started, but by the time I got a lock it was all the way over there:
IMAGE: http://farm6.static.flickr.com/5236/5873408717_22eb603a8c_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/magsnorton/5873​408717/  (external link)
IMAGE: http://farm6.static.flickr.com/5145/5873968096_1b41df693e_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/magsnorton/5873​968096/  (external link)

This next one was odd though, focused originally using single point (threw these away) but then switched to all points raised the viewfinder up so that only the head of the bird was under the points then took this:

IMAGE: http://farm4.static.flickr.com/3280/5873157809_380ab4a2ba_b.jpg
IMAGE LINK: http://www.flickr.com/​photos/magsnorton/5873​157809/  (external link)

Ta.


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Muteki
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Jun 27, 2011 13:11 |  #2

Do you really need to shoot at 1/8000 sec. f/5.6 ISO 800 in low light condition? That shutterspeed would put your subject very underexposed and it may look soft after you bump up your exposure during PP.

I've been shooting in crappy weather recently (and also getting some run times on my new 400/5.6L), I shoot with manual exposure at f/5.6, a shutterspeed between 1/1000 to 1/2500 sec. and ISO between 1000 to 1600, 19 pt AI Servo with central sensor as the initial.

The 60D AF may not be as sophisticated as the 7D, you could try just use the center sensor only and track the bird after setting your exposure settings.

Good luck!


Raymond

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Alarm
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Jun 27, 2011 13:55 |  #3

I will also agree. No need to use 1/8000 and that high iso. You can surely drop the iso to 1/3 and still be able to shoot with pretty high shutter.


@Muteki, i have tried the central focus point but it is almost impossible to "hit" the object


:: Experience is the name everyone gives to their mistakes ::

  
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John_N
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Jun 27, 2011 14:20 |  #4

I think I must have caught the dial in error, I was intending to shoot at 800ISO ay F8 (using AV), it was bright so the shutter speed just went high.

By the way I'd love to be able to get a bird as fast as a swift/swallow in centre point, I have enough difficulty keeping it in thew viewfinder (external link)!



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Focusing with a xxD
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