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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 21 Jan 2013 (Monday) 14:37
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Focus/recompose with IS lenses

 
Grimes
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Jan 21, 2013 14:37 |  #1

I love to focus and recompose (especially with faster primes).

Anyway, I have been using the same technique with my new 24-105. I think a problem I am running into is that I focus, recompose, then click the shutter before the IS has a chance to "catch up" with the recompose.

Ended up in a few blurry photos I think. Has anyone experienced this too?


Alex
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Bearmann
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Jan 21, 2013 15:34 |  #2

Probably. I had some blurry photos not infrequently with that lens. That may be the reason.


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DreDaze
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Jan 21, 2013 18:38 |  #3

yet another reason to not focus recompose...


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Tony_Stark
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Jan 21, 2013 18:40 |  #4

DreDaze wrote in post #15517449 (external link)
yet another reason to not focus recompose...

Sometimes you have no choice, as the spread of my 5D2 AF points doesn't always hit my subject where I want it to.


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Charlie
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Jan 21, 2013 19:29 |  #5

you can use the shutter button as metering, so when you focus, you can meter at the same time, and stabilization will already be activated. Recompose with shutter still half pressed, and shoot. I have never ran into an issue that IS is not stable when I shoot, though I've read of it on these forums.

on a side note, I stay away from focus recompose as much as possible. Even with the 5D2, my home lighting is good enough for the outer points. Focus and recompose is saved for those really crappy moments.... those moments where a flash is required, and the assist beam seams to work ok.


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klr.b
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Jan 21, 2013 19:42 |  #6

Half press the shutter to meter and activate IS. Then use the back button to focus. I find that it's a lot easier to focus with my teles once IS is activated.


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ejenner
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Jan 21, 2013 21:58 as a reply to  @ klr.b's post |  #7

So your shooting at a slow enough shutter speed to need IS, but then recomposing and pressing the shutter so fast the IS can't 'catch up'?

Surely if you are using a slow enough SS to need IS you would steady the camera after recomposing for at least a fraction of a second before pressing the shutter button?


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Grimes
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Jan 22, 2013 08:27 |  #8

ejenner wrote in post #15518170 (external link)
So your shooting at a slow enough shutter speed to need IS, but then recomposing and pressing the shutter so fast the IS can't 'catch up'?

Surely if you are using a slow enough SS to need IS you would steady the camera after recomposing for at least a fraction of a second before pressing the shutter button?

I see your point, but there are some times that this would not be possible. For example, if I'm shooting at 100mm,and need to frame someone crossing the street the way I want to, there is not enough time.

I could switch IS off, but it does help at the longer focal lengths, especially in a dusk type of lighting situation.


Alex
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Grimes
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Jan 22, 2013 08:29 |  #9

Tony_Stark wrote in post #15517457 (external link)
Sometimes you have no choice, as the spread of my 5D2 AF points doesn't always hit my subject where I want it to.

Exactly, and if done right, it's much faster than setting an af point with the joystick.


Alex
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Focus/recompose with IS lenses
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