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Old Nov 12, 2005, 8:15 AM   #1
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i was told that the 5D has a very slow shutter lag time between when you press the shutter to when the actual photo is taken how true is this and does the 7D have the same problem:?
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Old Nov 12, 2005, 11:13 AM   #2
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You were told?

Try one out in a store and see what you think.

Steve clocked it at 3/10 to 4/10 second here.

Dave Etchells (imaging-resource) clocked it at 0.303 seconds at wide angle, and 0.29 seconds at full telephoto, and called it "quite fast".

Note that those times were with the "kit" lens (18-70mm f/3.5-5.6).

With other lenses, you may get faster or slower performance (for example, the KM 28-75mm f/2.8 focuses even faster from what users have been reporting).

Light and contrast also impact Autofocus Speed. If you're in low light, trying to focus on a subject without much contrast, it may take longer. If you're in good light, focusing on a subject with lots of contrast, it will be faster.

The degree of change needed also impacts AF speed. If you focus on something close, then focus on something far away next, the camera will take longer. But, if you are already focused on a subject, and focus again later, the lens mechanism won't have to move as far (if at all), so it's faster.

There are a lot of variables involved with AF speed.

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Old Nov 12, 2005, 7:17 PM   #3
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the only 'lag' is the delay caused by the AutoFocus

if you manually focus, the shutter lag is nil
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Old Nov 12, 2005, 10:16 PM   #4
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I was told by my friend who shoots a film SLR that my 5D has a noticable lag, but compare to any of my previous digicam(Canon A20 and Minolta Z1) the lag is non-existant...
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Old Nov 13, 2005, 7:23 PM   #5
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toggle the shutter mode from focus priority to shutter priority.
by default its set to focus priority. this means that you cant trigger the shutter before the camera hasnt focused. i think that is what feels like shutterlag.

hope this helps
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Old Nov 15, 2005, 12:58 PM   #6
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perfect reply and info
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Old Nov 15, 2005, 1:34 PM   #7
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what the original poster probably means by shutter lag is the "lag" from when you press the shutter button (after autofocus is done) to when the shutter actually realeases.

to answer that: the shutter lag problem was noticeable on older dslrs. however, newer ones, including the 7d and 5d have a very very small lag.
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Old Nov 19, 2005, 9:19 PM   #8
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thanks guys,unfortunately i dont have access to a store to try one and have to rely on as much info as possible before i purchase one,a down fall to live in the caribbean. so we buy blind,stuck a little in chosing 7D or 5D, wont be used for professional work, just for casual photo,but love photography with a passion
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Old Nov 20, 2005, 9:20 AM   #9
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there are two settings (user selectable via menu) for shutter activation:



shutter priority - shutter operates virtually instantaneously regardless of focus

focus priority - shutter operates AFTER auto focus 'locks in'



either way, the 7D is FAST
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Old Nov 21, 2005, 11:59 PM   #10
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thanks guess i would go with the 7D
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