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Old Mar 26, 2003, 9:39 PM   #1
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Default 5700 Focusing & Infinity

at what distance does infinity focus begin on the 5700?

because of the focusing problems in low light, if infinity begins, say, at 10ft, would it be wise to simply use infinity for any shot from 10ft on..??

does the aperture setting figure in this???

any thoughts???

TIA

mikey
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Old Apr 10, 2003, 7:00 PM   #2
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Sorry, can't help you with the distance, but just want to help in the aperture setting part.

Basically, the distance focusing doesn't change on the lens, you still need to focus it to the right distance of the object. But increasing f number (smaller aperture) will make the depth of field (DOF) deep, that makes object at closer distance and further distance than the main object looks sharp. So, by using large f number, with manual focus, you'll be very likely get the object sharp (including the background).
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Old Apr 23, 2003, 3:58 PM   #3
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Default Re: 5700 Focusing & Infinity

Quote:
Originally Posted by mikeyinsunnyfla
at what distance does infinity focus begin on the 5700?

because of the focusing problems in low light, if infinity begins, say, at 10ft, would it be wise to simply use infinity for any shot from 10ft on..??

does the aperture setting figure in this???

any thoughts???

TIA

mikey
minimally, 10 ft according to my preliminary tests at Tahoe. I don't recall what the shutter speed and aperture was (I believe it was wide open). my test shots were done on an overcast day. I'll have to get back to you on that. actually, the smaller the aperture, the greater the depth of field and more will be in focus. however, in low light situations, small apertures are not recommended.
Did some more tests today and came up with minimally 1 ft.
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