benlonghair
TPF Noob!
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- Jun 1, 2009
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What's the best way to test this? Set up a target of some sort, focus on it manually and see the results?
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>SNIP>
Not to insult your intelligence or anything, but could this be as simple as a diopter adjustment to the viewfinder? I'm new to DSLRs so there may be something important that I'm not understanding properly, but sometimes the easiest solutions are the ones most overlooked.
>SNIP>
Not to insult your intelligence or anything, but could this be as simple as a diopter adjustment to the viewfinder? I'm new to DSLRs so there may be something important that I'm not understanding properly, but sometimes the easiest solutions are the ones most overlooked.
I was going to ask the same question--is the viewfinder's diopter adjustment set correctly for Infinity focus with your vision or eyeglasses, if you wear corrective lenses???? I once got my D2x's diopter out of whack somehow, and shot a bunch of photos using a manual focus 400mm lens, and they were OOF when I got back to the computer...
>SNIP>
Not to insult your intelligence or anything, but could this be as simple as a diopter adjustment to the viewfinder? I'm new to DSLRs so there may be something important that I'm not understanding properly, but sometimes the easiest solutions are the ones most overlooked.
I was going to ask the same question--is the viewfinder's diopter adjustment set correctly for Infinity focus with your vision or eyeglasses, if you wear corrective lenses???? I once got my D2x's diopter out of whack somehow, and shot a bunch of photos using a manual focus 400mm lens, and they were OOF when I got back to the computer...
I thought this too, but he said it happens with AF and MF both. If that's the case, the diopter would only affect MF.
I was going to ask the same question--is the viewfinder's diopter adjustment set correctly for Infinity focus with your vision or eyeglasses, if you wear corrective lenses???? I once got my D2x's diopter out of whack somehow, and shot a bunch of photos using a manual focus 400mm lens, and they were OOF when I got back to the computer...
I thought this too, but he said it happens with AF and MF both. If that's the case, the diopter would only affect MF.
That occurred to me, except he said when he focused on the grass behind the dog the focus looked okay. I don't know if that means he was using AF or MF at the time, and whether it looked okay before or after the shot. So I thought I'd toss out the suggestion anyways just in case.
Both AF and MF have this problem.
And if it's not the viewfinder, what would make it look correct in the viewfinder but not okay in the photo? Like I said, there's no reason for the focal point to change just because the curtain's up, so I'm guessing there's something wrong with the viewfinder optics.
He also said his other lenses appear fine, but that could be because they have a larger minimum aperture so the problem isn't as noticeable compared to an f/1.8.
He also said his other lenses appear fine, but that could be because they have a larger minimum aperture so the problem isn't as noticeable compared to an f/1.8.
I don't mean to nitpick, but you probably mean a smaller minimum aperture? I don't think there are any non-primes with a larger minimum aperture than 2.0. Chances are, unless he shoots all primes, all of his lenses will have a smaller minimum aperture (larger f-number).
I'm sorry, yes, I reversed my train of thought mid-sentence (probably a good reason why I shouldn't post from work). What I meant to say was that the large aperture on the f/1.8 lens might just be obviating a problem with the camera that isn't as apparent on the other lenses, since the additional depth of field from their smaller apertures could make a slight focusing problem harder to detect.
Thanks for the correction though.
Like when someone tells me they download pictures to their computer...that one irritates me to no end. :x
I'm just a bit OCD when it comes to using jargon. Like when someone tells me they download pictures to their computer...that one irritates me to no end. :x